Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6cfe159d5deab9c…

MALICIOUS

PDF

96.0 KB Created: 2021-09-02 02:30:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 76e94ed720f0844857ae2b16773876b4 SHA-1: 5cfd4449baa04ffa5befd878f5a1e8337f57efd7 SHA-256: f6cfe159d5deab9c807b0dbf16f4becd9b7d2ecea53247f38e6b00d3f65a4885
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious URL, which is a common tactic for phishing or distributing further malware. Although no scripts were explicitly extracted, the PDF structure and heuristic firings suggest an attempt to redirect the user to a malicious external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5896

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/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=ciaphas+cain+the+traitor%27s+hand+pdf PDF link annotation

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