Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffea2137fc688c92…

MALICIOUS

PDF

112.0 KB Created: 2021-08-01 19:01:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 97ef998fb1522896e26b5e223f14ecf2 SHA-1: bdea288c4a17cd3777e12b8917c0895d7d903419 SHA-256: ffea2137fc688c929c8b7df75bf48cb72a817b5326177dc4384976ffa2a50e6b
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan activity. It contains an embedded URI pointing to a URL that, while flagged as benign, is part of the attack vector. The PDF structure and metadata suggest it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents.

Machine Learning

  • Nyx PDF Classifier clean score 0.2336

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://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=guia+pedagogica+de+comunicacion+productiva+en+ingles+03 PDF link annotation

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