Malicious PDF — malware analysis report

Static analysis result for SHA-256 25cf2d317962d87a…

MALICIOUS

PDF

117.2 KB Created: 2021-08-23 14:24:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 2b62cbb1d7be7b17954856f7a600f74e SHA-1: 0e3bc642238ad09ab3233eee8e50bb826678aa0e SHA-256: 25cf2d317962d87a172bf8f62d289f6a52619b45d5b00bcfc5ce134f4b4792f4
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing an embedded URI pointing to a suspicious domain, flagged by ClamAV as Pdf.Phishing.Trojan. The document body is heavily obfuscated, but the presence of an external URI suggests an attempt to redirect the user to a malicious site. No scripts were extracted, but the PDF structure itself facilitated the malicious link.

Machine Learning

  • Nyx PDF Classifier clean score 0.2406

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://allytemp.ru/uplcv?utm_term=london+road+jewellers+and+pawnbrokers PDF link annotation

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