Malicious PDF — malware analysis report

Static analysis result for SHA-256 448342c17c40d446…

MALICIOUS

PDF

147.5 KB Created: 2021-05-20 21:30:39 +03:00 Authoring application: Angela Rose (via Phyllis Clark) First seen: 2021-05-26
MD5: b5b6de3c00abbaddecdb34d60c85b8cd SHA-1: dfa5baeecd842e43a4201a97df8c1a9131f50b6b SHA-256: 448342c17c40d4468d7caf8594cf0a2db6b743636c952c543e133b45387e30a2
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF exhibits characteristics of a phishing lure, being image-only with a click-outward action. It contains embedded URLs, including one pointing to '9sytn9s.plorati.com', suggesting an attempt to redirect the user to a malicious site. The presence of a local builder path alongside remote URIs further indicates a crafted malicious document.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3359

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 147 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://9sytn9s.plorati.com PDF link annotation

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