Malicious PDF — malware analysis report

Static analysis result for SHA-256 91f6b8f146f8bf66…

MALICIOUS

PDF

38.6 KB Created: 2021-09-03 04:46:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: fc781f90f25a3ee66516f9ba3542b34f SHA-1: 32c6700edbd6c96973dc73d98fc6889ade59766c SHA-256: 91f6b8f146f8bf66494ecb84482a359c084a2931a57f07f52af85af8e6b072c5
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan activity. It contains an embedded URI pointing to a URL that appears to be a lure for downloading content related to a popular web novel. While no scripts were explicitly extracted, the PDF structure and the presence of a suspicious URI suggest an attempt to trick the user into downloading a secondary payload.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3262

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://archism.ru/uplcv?utm_term=legendary+moonlight+sculptor+volume+49+pdf+download PDF link annotation

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