Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2341532b2ca5d1c…

MALICIOUS

PDF

67.3 KB Created: 2017-11-13 23:12:12 +02:00 Authoring application: Microsoft® Word 2013
MD5: 00cd4169d07c9097fc111988a3187ee6 SHA-1: f238687bfbc3debd1ee8ce2d00b7c5507ed6eb25 SHA-256: b2341532b2ca5d1c7db75f65a4b78a6388a02868efec9075271ffb94a558f4dd
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was identified as an image-only lure, a common phishing technique where a screenshot is used to hide malicious content or links. The embedded URL, http://bit.ly/2zE4kyk, is a URL shortener, which is frequently used to obscure the final destination of malicious links. While the URL itself was flagged as confirmed benign, the overall structure and heuristic firings strongly suggest a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6855

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 67 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 http://bit.ly/2zE4kyk

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