Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b54df5356e68442…

MALICIOUS

PDF

40.3 KB Created: 2021-08-19 18:27:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: fe31c48eb1ae2d1f4dbc9a9c730a2e58 SHA-1: 8ff350a00fd690d9bb4052e0c44b4b525fe31efe SHA-256: 5b54df5356e684428491938df8931601b2c96ca8e9ac61271a7591435cdb0f4a
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded URI pointing to a suspicious external URL. ClamAV detection further indicates this is a phishing-related PDF. The PDF's content, though heavily obfuscated, likely serves as a lure to trick users into clicking the malicious link, which is a common tactic for phishing campaigns.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3273

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://laborke.ru/uplcv?utm_term=o+level+biology+topical+questions PDF link annotation

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