biezacefaktury[.]pl

This domain is flagged as a high-risk generic phishing threat specializing in invoice fraud. Analysis indicates the domain biezacefaktury.pl is actively used to deceive targets through fake billing notifications, a common vector for financial data exfiltration. Infrastructure analysis reveals the following technical indicators: 6 of 95 security vendors on VirusTotal detect this domain as malicious. It appears on 2 security blocklists (PhishDestroy and OpenPhish) and resolves to IP address 52.204.246.179, hosted on AS14618 (Amazon.com, Inc.) in the United States. The domain was registered on November 03, 2017, through Markmonitor, Inc., and uses a Let's Encrypt R13 SSL certificate. Despite its long registration history, the domain remains active and unremediated. Mitigation for this invoice phishing threat requires immediate action. Network administrators should block the domain biezacefaktury.pl and its resolving IP 52.204.246.179 at the firewall and proxy levels. Email security systems should quarantine messages containing this domain or related invoice-themed lures. Endpoint protection should be configured to detect and prevent access to the domain. Security teams should monitor for connections to 52.204.246.179 and investigate any associated outbound traffic, as this may indicate successful credential harvesting or malware deployment. User awareness training should emphasize verification of unexpected invoice requests, particularly those with urgency cues or mismatched sender domains.