Malicious PDF — malware analysis report

Static analysis result for SHA-256 89455da8833f4a2b…

MALICIOUS

PDF

67.3 KB Created: 2017-11-07 18:57:36 +02:00 Authoring application: Microsoft® Word 2013
MD5: f2f620357a567c5c1e3bdbcee73aeaa7 SHA-1: aa034d64669eb6bf9cb04a7176744ca9e1d1155d SHA-256: 89455da8833f4a2b28d39022dd42b2a4183da597d95575351f361625ce2abb41
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-based lure, containing only an image and a single clickable link. This technique is commonly used to trick users into clicking on malicious links, which in this case redirects through a URL shortener. The ML classifier also flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution 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/2zEeQXh

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