Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e9dd689cb9ea4d6…

MALICIOUS

PDF

46.0 KB Created: 2021-07-24 12:08:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: 253ec77bb377c05b491eae704c5fbc88 SHA-1: 123f75ce7cf7637801f14bc7a6b542509f2f2af5 SHA-256: 6e9dd689cb9ea4d6ce4e0fd5ba095263425e2e8e2a64997a3b667d73ad7e27d2
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. It contains an embedded URI pointing to a URL that, while currently classified as benign, is likely part of a phishing or credential harvesting scheme. The PDF's authoring application, wkhtmltopdf, suggests it may have been generated programmatically to obscure its malicious intent. No scripts were extracted, but the presence of a URI and the ClamAV detection strongly indicate a phishing attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3855

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/ngfLrbzwjls/uplcv?utm_term=free+printable+human+anatomy+worksheets PDF link annotation

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