Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a50304f555a8e02…

MALICIOUS

PDF

55.2 KB Created: 2021-09-08 10:11:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 063ed452eabd72287beea9f7b948a856 SHA-1: 255ac1daa83396220ac06ce8acfebbe215503498 SHA-256: 6a50304f555a8e023ea6b1bfcb54f4cb83e2df22288b1a3ea4c040cec950811f
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and an ML classifier, with a heuristic indicating an embedded external URI. While the primary URL appears benign, another embedded URL was extracted which is unknown. The document body is heavily obfuscated and unreadable, preventing a clear understanding of its specific lure. However, the presence of a malicious PDF classification and an unknown URL suggests an attempt to redirect the user to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5037

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://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/fil In PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=elective+affinities+goethe+pdfPDF link annotation

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