Malicious PDF — malware analysis report

Static analysis result for SHA-256 652e7e72eff27b04…

MALICIOUS

PDF

233.9 KB Created: 2020-09-10 21:27:54 +03:00 Authoring application: Nicholas Fowler (via Amanda Alexander) First seen: 2021-11-02
MD5: 09c5f2a506d3c54ac9c59f95618032b9 SHA-1: 24a73aed34057bcf6903066735b4a10e6a28b0b1 SHA-256: 652e7e72eff27b0434a58aa56a11903a564d97122d2cfa5a2daf89d8d6dc016a
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as an image-only lure, a common tactic for phishing or malware distribution. It contains multiple external URIs, including http://bjuyfmr.v3r and http://nn3bpj.dab.letmeinsure.com, which are likely used to host malicious content or redirect users to phishing pages. The presence of a local builder path alongside remote URIs further suggests a crafted attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.1166

Heuristics 4

  • Image-only PDF carries local builder path plus remote links high PDF_IMAGE_LURE_LOCAL_FILE_AND_REMOTE_URI
    PDF is an image-only click lure that contains both remote HTTP(S) destinations and a file:/// URI exposing a local Windows/Linux builder path. That co-occurrence is not normal document linking; it matches generated clickbait/phishing carriers where the visible page is a screenshot and the clickable area sends the user to external 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 233 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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 http://bjuyfmr.v3r PDF link annotation
    • http://nn3bpj.dab.letmeinsure.comIn PDF document text

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