Malicious PDF — malware analysis report

Static analysis result for SHA-256 14e2ba2dc1f4df58…

MALICIOUS

PDF

98.6 KB Created: 2021-06-03 21:33:18 +03:00 Authoring application: Kathleen Castillo I II III IV V MD DDS PhD DVM (via Laura Riley) First seen: 2021-06-13
MD5: 1e8aa47cf07fc25a1c082e5bfeaede2b SHA-1: 20a8689d5f5c5d254a516444ba9069227bc9c43c SHA-256: 14e2ba2dc1f4df581988c4b460b850642ef5b05d180e09a15e7f26f43bd1db21
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as an image-only lure, typical of phishing attempts. It contains a clickable link that redirects to the suspicious URL http://9fo6ukm.jrphones.com. The presence of a local builder path further suggests a crafted malicious document. The overall pattern indicates a spearphishing attachment designed to lead users to a malicious site.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3848

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 98 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://9fo6ukm.jrphones.com PDF link annotation

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