Malicious PDF — malware analysis report

Static analysis result for SHA-256 78e8ba2d13548701…

MALICIOUS

PDF

46.8 KB Created: 2021-08-09 13:19:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: d1e4cdbdfca4a0a478b68d0d3540c08b SHA-1: db2ecae58e448e566434c0fb5256538f1a6b9982 SHA-256: 78e8ba2d13548701a8968040488db0c265c1ad05e2ffcb8bcb0aabadae04ccbd
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a phishing-related signature. It contains an embedded URI pointing to a suspicious URL, likely intended to trick the user into downloading a payload or visiting a phishing site. No scripts were extracted from this sample, but the PDF structure and embedded URI strongly suggest a phishing or malware distribution 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://queure.ru/uplcv?utm_term=engineering+brain+teasers+with+answers+pdf+free+download PDF link annotation

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