# PhishDestroy threat dossier — blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev ================================================================ Fetched: 2026-06-29 19:54:35 UTC Canonical: https://phishdestroy.io/domain/blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev/ ## VERDICT ---------------------------------------------------------------- TAKEN DOWN (neutralised) Composite threat score: 90/100 (PhishDestroy scoring — see methodology below) ## DETECTION EVIDENCE ---------------------------------------------------------------- VirusTotal: 4/92 security vendors flagged this domain Flagging vendors: alphaMountain.ai, G-Data, Gridinsoft, Webroot Public blocklists: listed on 1 independent blocklist ## INFRASTRUCTURE ---------------------------------------------------------------- IP address: 104.21.48.4 (CA, Toronto) ASN: AS13335 Cloudflare, Inc. Hosting org: Cloudflare, Inc. Registrar: Cloudflare, Inc. Nameservers: NS_NOT_FOUND Registered: 2026-05-07 Page title: blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev HTTP response: 404 ## TLS CERTIFICATE ---------------------------------------------------------------- Issuer: Let's Encrypt / E8 Expires: 2026-08-04 Status: INVALID chain Fingerprint: e29d6a083aee5486c11e0f2d9a81a6fac84143febab203c88782593e375b294e Subject Alternative Names (related infrastructure — often same operator): - vailtaatpyaixmbldelttde.workers.dev ## ABUSE-REPORT HISTORY (evidence of registrar non-response) ---------------------------------------------------------------- Status: CLOSED — no report required. This domain was neutralised before the abuse-report cycle could be dispatched — either the hosting provider / registrar suspended it on their own, the DNS went dead, or the operator abandoned the infrastructure. PhishDestroy keeps the evidence bundle on file for audit but no formal notice was sent. ## TIMELINE ---------------------------------------------------------------- Domain registered: 2026-05-07 (per WHOIS / CT — may reflect a renewal or transfer date, not first-ever registration) First detected: 2026-05-07 15:41:37 UTC (by PhishDestroy tracker) First reported: 2026-05-07 15:41:33 UTC (abuse notice filed) Last verified: 2026-06-29 20:20:35 UTC Neutralised: 2026-06-06 17:31:39 UTC Current status: taken down (registrar suspended or DNS dead) ## EXTERNAL CORROBORATION (third-party evidence) ---------------------------------------------------------------- URLScan.io: https://urlscan.io/result/019e0274-4e42-72de-8d9c-a0de54865190/ Wayback Machine: https://web.archive.org/web/*/blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev crt.sh CT logs: https://crt.sh/?q=%25.blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev Google transparency: https://transparencyreport.google.com/safe-browsing/search?url=blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev AlienVault OTX: https://otx.alienvault.com/indicator/domain/blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev URLhaus: https://urlhaus.abuse.ch/host/blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev/ ## ANALYST NARRATIVE ---------------------------------------------------------------- [Generated: 2026-06-25 15:20:57 UTC — narrative may predate facts above. Treat fields in TIMELINE / DETECTION EVIDENCE / INFRASTRUCTURE as authoritative if they differ from the prose below.] This domain, blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev, is flagged as a high-risk generic phishing endpoint targeting unsuspecting users. Analysis indicates no direct brand impersonation or known drainer kit signatures, suggesting a broad-spectrum credential harvesting operation. The infrastructure appears designed for rapid deployment and evasion, leveraging a subdomain under a content delivery network to obscure its origins and complicate takedown efforts. Infrastructure analysis reveals the following technical indicators: the domain is registered through a major content delivery provider and resolves to IP address 104.21.48.4, located in Canada. It was created on May 07, 2026, with a Let's Encrypt SSL certificate (serial number E8) providing HTTPS encryption. Detection engines report a VirusTotal score of 4/95, indicating limited but growing recognition of its malicious nature. The domain appears on one security blocklist and is currently not flagged by Google Safe Browsing. The registrar's infrastructure and Cloudflare hosting further complicate attribution and mitigation. As of the latest assessment, the domain remains active and continues to host phishing content. Response actions should include immediate blacklisting at the network perimeter, DNS sinkholing, and endpoint protection updates to recognize the domain and associated IP. Despite its low initial detection rate, the domain's infrastructure and evasion tactics present a persistent risk. Organizations are advised to monitor for connections to 104.21.48.4 and the domain's SSL certificate fingerprint. User awareness training should emphasize the risks of interacting with unfamiliar subdomains under content delivery networks, particularly those with generic or nonsensical naming patterns. ## EVIDENCE HASHES ---------------------------------------------------------------- Favicon MD5: b8a0bf372c762e966cc99ede8682bc71 TLS cert SHA-256: e29d6a083aee5486c11e0f2d9a81a6fac84143febab203c88782593e375b294e ## SCORING METHODOLOGY ---------------------------------------------------------------- Composite score is NOT derived from VirusTotal alone. PhishDestroy aggregates: - VirusTotal positive ratio - Public blocklist consensus (MetaMask, ScamSniffer, OpenPhish, PhishTank, URLhaus, CryptoFirewall, SEAL, Polkadot, Enkrypt, Phishunt, DiscordPhishing, PhishingDB) - Cloaking detection (HTTP 666 or rendering delta between bot and real visitor) - DNS-filter consensus (Quad9, CleanBrowsing, NextDNS, AdGuard, Cloudflare, etc.) - AlienVault OTX pulses + Cloudflare Radar + Google Safe Browsing - URLScan / URLQuery verdicts - Brand-impersonation heuristics (DOM analysis of forms, logos, wording) - Known phishing-kit fingerprinting (favicon hash, JS obfuscation signatures) - Wallet-drainer family classification (Angel, MS, Rainbow, Pink, Inferno, ...) - Free-TLS vs paid-cert ratio (throwaway infrastructure signal) - Registrar/hosting abuse history (this registrar's track record) - Human researcher sign-off (volunteer takedown team) A domain present in our database is ALREADY flagged. A low VT count by itself does NOT mean the domain is safe — new scam domains routinely show 0/95 VT for their first 7–30 days while actively draining wallets. Always cross-reference the composite score and the individual indicators above, not just VT. ## CORRECTIONS / APPEALS ---------------------------------------------------------------- Full HTML report: https://phishdestroy.io/domain/blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev/ JSON API: https://api.destroy.tools/v1/check?domain=blue-butterfly-a450.vailtaatpyaixmbldelttde.workers.dev Appeal a flag: https://phishdestroy.io/appeals/ (responded to within 48 hours, FP rate <0.01%) Submit a report: https://t.me/PhishDestroy_bot About PhishDestroy: volunteer-driven open-source threat-intelligence platform. Tracked: 172,677 domains (13,179 alive under monitoring, 158,908 confirmed takedowns/dead). Site: https://phishdestroy.io