Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cb929e5f46243c4…

MALICIOUS

PDF

73.0 KB Created: 2021-05-23 12:43:45 +03:00 Authoring application: Scott Stevens (via William Jacobs) First seen: 2021-06-04
MD5: e0ff4944bdc5ebd8169c156246a0650f SHA-1: b288e0e9dc033ed26685ebf31b2847b1547e304f SHA-256: 1cb929e5f46243c48e0c291918a0d4fd2c992c203a6d79b27958aea41b0c3204
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 an embedded URI pointing to 'http://jonuwuwjp.mazalasikdallas.com', which is likely a malicious domain used to host a secondary payload or phishing page. The heuristic 'PDF_IMAGE_LURE' strongly suggests this is a deceptive document.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3758

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 72 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://jonuwjp.mazalasikdallas.com PDF link annotation

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