Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4181cdae97f4eb7…

MALICIOUS

PDF

40.1 KB Created: 2021-09-03 06:34:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: c65fe7b3dfb0024d57251206255f5146 SHA-1: 4add306e9128184621535aa905366ba3a9286b07 SHA-256: d4181cdae97f4eb77869c2c5e9af602c7c091fb1bdeb408e5d17d973b7261c45
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating it is a phishing trojan. It contains an embedded URL that, while currently flagged as benign, was likely intended to direct the user to a malicious site. The PDF structure and metadata suggest it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3273

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/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=macbeth+act+3+summary+worksheet PDF link annotation

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