Malicious PDF — malware analysis report

Static analysis result for SHA-256 d005da762c8746da…

MALICIOUS

PDF

88.8 KB Created: 2021-06-12 15:28:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 7a92793e764f4a3cf07e50ad8fdb69e4 SHA-1: b4c3daf4ec154c51ad78ac0ef580f77c7d4324a7 SHA-256: d005da762c8746da9bba96e4a5bedadb2d73d425e53c70730a8457880349cda2
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is detected as a phishing trojan by ClamAV. It contains an embedded URI pointing to a suspicious domain, disguised as a link to 'graded exercises in english pdf'. The PDF metadata indicates it was generated by wkhtmltopdf, a tool often used to create malicious documents. The presence of an external URI suggests an attempt to redirect the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier clean score 0.1751

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://wastran.ru/uplcv?utm_term=graded+exercises+in+english+pdf PDF link annotation

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