Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d64d9e07e6acbff…

MALICIOUS

PDF

129.1 KB Created: 2019-02-25 05:33:02 -09:00 Authoring application: §œ'4EvÔ_/y<ðË¡1†óäŽÏØ¡œRÈ݇þ™ÿ I (via Oï#ºJ$èÕ v?Jïíf%|ßÙÍÿ,;) First seen: 2021-11-23
MD5: 328b0986c742381726f7df0961d45e91 SHA-1: 1fd17ae1530bc85c349c22a10a1baf2a9dcf5e3c SHA-256: 5d64d9e07e6acbff85f657d14479756f9cc3ad63b1fe77c423bfd15665e52d91
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware distribution. It contains a single embedded URL, which is a shortened link, suggesting an attempt to obscure the final destination. The heuristic 'PDF_IMAGE_LURE_SHORTENER_LINK' specifically flags this behavior. While the URL itself is marked as benign, the overall pattern indicates a malicious intent to direct users to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3014

Heuristics 3

  • Image-only PDF lure links through URL shortener high PDF_IMAGE_LURE_SHORTENER_LINK
    PDF is image-heavy with little real text and its clickable action points to a URL shortener. This is a high-confidence credential-phishing carrier shape: the visible page is a screenshot-like prompt while the destination is hidden behind redirect infrastructure.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 129 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://bit.ly/3yShv9P In PDF document text

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