Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9f56071af9ef6f4…

MALICIOUS

PDF

41.5 KB Created: 2021-08-03 05:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: c1e9ffd695600d283b5d66ce97852f8b SHA-1: 4711c91b6bcf330550f622a81fdce3021096ebc9 SHA-256: f9f56071af9ef6f4ff3092b4628fd85e58f140d3554f2409a9e33c80d47222da
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 includes 'cmd activate windows 10 reddit', suggesting a lure for users seeking software activation. While no scripts were extracted, the PDF structure and the nature of the embedded URI strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3406

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/S30rS-6n6vg/uplcv?utm_term=cmd+activate+windows+10+reddit PDF link annotation

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