Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c81527d1a001698…

MALICIOUS

PDF

855 B First seen: 2021-01-11
MD5: f412efe5c1e7ee278b075b126c973a8e SHA-1: 8f747ac8fb05a0020d54b98aaa766df75c5a3b21 SHA-256: 6c81527d1a001698be671552900c0cacf63cce93aa84cd01cbcce7a71499126e
82 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.1047

Heuristics 3

  • UNC path in PDF — possible NTLM credential theft (CVE-2018-4993/CVE-2019-7089) high CVE likely CVE_2018_4993
    PDF contains a UNC path (\\server\share) alongside action triggers — when a vulnerable viewer resolves this path, Windows may send NTLM credentials to the remote host as the matching PDF action is processed
  • Remote GoTo action high PDF_GOTO_REMOTE
    PDF references an external document via GoToR/GoToE whose target is a URL, UNC path, or executable
  • 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 \\geopolitica.ru\test12cfac78-64c7-48f2-bb6e-ab2b8420d1f3 In PDF document text

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