Malicious PDF — malware analysis report

Static analysis result for SHA-256 907d1b2c1ebe1174…

MALICIOUS

PDF

218.8 KB Created: 2019-09-07 04:14:03 -11:00 Authoring application: S›š¿Ò’ +ü[;™aR±Ë+Ȉã\Lkù 7¥SQg (via Öûà`¡Ë–¡â¯Vþ³ç±*Õs_'ÙŽ>‰¡(ƒÞ»C)
MD5: 42382d6459a734fb6412dddd909eb03b SHA-1: 6df9f70805df6ded08fd38b7b30e62225b49ec73 SHA-256: 907d1b2c1ebe1174475bde98bc366e67beff738c958326c69b65b6050b5a9c0c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF is identified as an image-only lure, a common phishing technique where a screenshot is presented as a document to entice clicks. The heuristic specifically flags that the document contains a clickable action linked through a URL shortener. While the shortened URL itself is currently classified as benign, the overall structure and intent point towards a phishing attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.1516

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 218 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/3BltJJO

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