Malicious PDF — malware analysis report

Static analysis result for SHA-256 df755ed0b7598b5a…

MALICIOUS

PDF

141.5 KB Created: 2021-06-12 10:31:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 28fe0e93e7bddfe34909d184d28c4f70 SHA-1: ac86afa4c528e7ee9b58bd0bef1e48ed0f283dea SHA-256: df755ed0b7598b5a28552ac4c52b2d404bdf13b87d2581f122ad3b8a584f048c
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating it is a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely used to host phishing content or download further malicious payloads. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, and the embedded URL's query parameter relates to a movie release date, indicating a social engineering lure.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2708

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://drafthe.ru/uplcv?utm_term=frozen+2+tv+release+date PDF link annotation

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