Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1973e8b1f6cdac6…

MALICIOUS

PDF

218.0 KB Created: 2021-08-13 04:23:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 877282c12b60fef5c361e3a8d2058b0c SHA-1: 7eed597b50b940dc71e8ab8cc19e4a99addff9e0 SHA-256: f1973e8b1f6cdac69ecef0d592ad829017752b18c79e286edabaa9134759e1cb
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating it is a phishing trojan. It contains an embedded URL pointing to a suspicious domain, disguised as a link to educational worksheets. While no scripts were extracted, the presence of an external URI and the ClamAV detection strongly suggest a phishing attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.1350

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://infrive.ru/uplcv?utm_term=sixth+grade+6th+grade+vocabulary+worksheets+pdf PDF link annotation

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