Malicious PDF — malware analysis report

Static analysis result for SHA-256 58739c1cbd98a938…

MALICIOUS

PDF

112.0 KB Created: 2021-06-11 16:00:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 23565ad9749ca0cf55e3f7bc7d535d58 SHA-1: 1d72a3aa1c43c81639219d6158c043c4d9cc450b SHA-256: 58739c1cbd98a938ee91cfba8fbeb29d07e995a3d06af084b68886c74b8eb008
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating it is a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body, though heavily obfuscated, appears to be a lure related to finding external hard drives on Ubuntu, suggesting a targeted phishing attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2818

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://coretry.ru/uplcv?utm_term=ubuntu+find+external+hard+drive PDF link annotation

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