Malicious PDF — malware analysis report

Static analysis result for SHA-256 22c51a6d60f86ee7…

MALICIOUS

PDF

125.3 KB Created: 2020-12-16 19:40:59 +03:00 Authoring application: Ashley Austin (via Denise Campbell I II III IV V MD DDS PhD DVM) First seen: 2020-12-28
MD5: 7f5dae23c469d06d679780d91a6bf81d SHA-1: cf9cacb777814ef5043806774de39f539eb0a21b SHA-256: 22c51a6d60f86ee712e320dc7c986bbbe4e92428f20a288ba8eef715aaa61c1c
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing or malware distribution. It contains external URIs pointing to suspicious domains, suggesting it attempts to redirect the user to malicious content. The presence of a local builder path alongside remote links further indicates a crafted malicious document.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3030

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 125 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://jcxo679.5n0 PDF link annotation
    • http://dwptjqx.sed.drkennethvanstralen.comIn PDF document text

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