Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0bce46da7989b9c…

MALICIOUS

PDF

175.5 KB Created: 2020-08-24 16:24:31 +03:00 Authoring application: Marilyn Gonzalez (via Carl Matthews Jr. Sr. I II III IV V MD DDS PhD DVM) First seen: 2021-10-31
MD5: 4282be536c8311bd8a1dcb4708d98e49 SHA-1: e556b0aeb24a77e012cc6ea8190b500987cb764f SHA-256: f0bce46da7989b9c13c2e4bc52e7a8a3cee04e7fe165047f818a47472fda8324
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, containing a clickable link designed to redirect the user to an external URL. This technique is commonly used for phishing or distributing malicious payloads. The presence of multiple embedded URLs and a local builder path further supports this assessment.

Machine Learning

  • Nyx PDF Classifier clean score 0.1833

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 175 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://ojmftpj.biu PDF link annotation
    • http://icmxd8.dab.towmyrv.comIn PDF document text

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