Malicious PDF — malware analysis report

Static analysis result for SHA-256 e38caf0c926c2908…

MALICIOUS

PDF

64.0 KB Created: 2021-07-22 23:34:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 0319d191d89e05d16d24ffd52c4bcd1b SHA-1: 13ff83ffc10e9312629b345111d457fcd94b2e07 SHA-256: e38caf0c926c29086fcbcc16057464a0962e001e1b88b91bac4f9e7357ba8949
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 behavior. It contains an embedded URL that points to a potentially malicious PDF file, suggesting an attempt to redirect the user to a harmful resource. The PDF structure itself is unusual, generated by wkhtmltopdf, which can sometimes be abused to host malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4498

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://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160806cff6191c---zimunurigukegeki.pdf In PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=name+that+tune+lionel+blairPDF link annotation

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