aav4dex[.]top

Analysis shows aav4dex.top was registered through NiceNIC International Group Co., Limited on 2025-12-06. The domain resolves to 104.21.31.234, an address owned by Cloudflare (AS13335) located in the United States, and uses the Cloudflare nameservers harlan.ns.cloudflare.com and lisa.ns.cloudflare.com. Traffic is served over HTTP/3 behind Cloudflare’s edge network, and the TLS certificate presented is issued by Google Trust Services under the label WE1, confirming a valid HTTPS configuration. The only visible page title before the site was taken offline was "Welcome to nginx!", which provides no brand or service indication.

The domain is currently offline but appears on one security blocklist and is actively blocked by PhishDestroy. VirusTotal records indicate three of ninety-five scanners flagged the domain, reinforcing a malicious classification. No additional public intelligence such as Safe Browsing, OTX, or detailed payload analysis is available, leaving the exact phishing content unknown.

Because the site presented only a default nginx welcome page, the precise lure—whether credential harvesting, login capture, or other data exfiltration—cannot be determined from the current evidence. Defenders should immediately add aav4dex.top and its resolving IP 104.21.31.234 to outbound block lists, enforce DNS filtering for the domain, and monitor for any re-registration attempts or similar Cloudflare‑hosted domains created by the same registrar. Continuous observation of Cloudflare‑associated IP ranges for anomalous traffic spikes is recommended, as is periodic re‑scanning of the domain should it become active again.