# acir.postofficeweb.com — MALICIOUS

> acir.postofficeweb.com is a confirmed generic phishing domain posing as a postal service portal. This domain has been flagged by 18/95 VirusTotal vendors and.

## Summary
PhishDestroy identifies acir.postofficeweb.com as an active generic phishing domain leveraging a fake postal service theme. The domain mimics legitimate postal service branding to deceive users into divulging sensitive credentials or payment details. No specific drainer kit was identified in available telemetry; however, its infrastructure suggests a high likelihood of credential harvesting or financial fraud operations. The threat actor(s) behind this campaign employ social engineering tactics centered on falsified postal service communications, exploiting trust in well-known delivery brands to maximize victim engagement. Given its generic nature, this phishing site may target multiple industries or services under the guise of package delivery notifications, billing issues, or account verification requests.  

This domain was flagged by 18 out of 95 VirusTotal security vendors, reflecting significant malicious reputation. It resolves to IP address 44.255.152.161 and was registered on January 31, 2016, through Amazon Registrar, Inc. The SSL certificate, issued by Amazon, creates a false sense of legitimacy. The domain appears on three major security blocklists: PhishingArmy, PhishingDB, and OISD, confirming its malicious classification. This combination of indicators—high VirusTotal detection rate, blocklist presence, and long-standing registration—supports a high-confidence assessment of malicious intent. The use of Amazon’s infrastructure (SSL and registrar) may be an attempt to bypass security controls that trust well-known providers.  

As of the latest analysis, acir.postofficeweb.com remains active and unblocked by major browsers at the time of writing. Immediate response actions include: universal blocking of the domain and IP address (44.255.152.161) at network and endpoint levels; updating threat intelligence feeds to include this domain and IP; and issuing user advisories to avoid clicking links or entering data into this site. Despite its age, the domain continues to pose a high risk due to sustained malicious activity and bypass of security controls via trusted infrastructure. Remaining risk is assessed as high, particularly for users expecting legitimate postal service communications. Proactive monitoring and takedown coordination with hosting and registrar providers are strongly recommended to mitigate ongoing exposure.

## Threat Details
- Verdict: MALICIOUS
- Site status: unknown (HTTP ?)

## Domain Intelligence
- Registered: 2016-01-31 07:41:59
- Registrar: Amazon Registrar, Inc.
- IP: 44.255.152.161

## Detection Status
- VirusTotal: 18 vendors flagged
- Google Safe Browsing: clean
- Blocklists: 3 hits
  Lists: ["PhishingArmy", "PhishingDB", "OISD"]

## Evidence
- Cloudflare Radar: https://radar.cloudflare.com/scan/49d80acb-fe25-458c-a2b3-9410856c6a58
- PhishDestroy: https://phishdestroy.io/domain/acir.postofficeweb.com/
- LLM endpoint: https://phishdestroy.io/domain/acir.postofficeweb.com/llm.txt

## If You Visited This Site
1. Change any passwords you may have entered
2. Enable 2FA on all related accounts
3. Monitor your accounts for unauthorized activity
4. Report to: FBI IC3, Europol, local authorities

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Report by PhishDestroy | https://phishdestroy.io/domain/acir.postofficeweb.com/
Last updated: 2026-03-22