Malicious PDF — malware analysis report

Static analysis result for SHA-256 169f3b417e03d7dd…

MALICIOUS

PDF

139.7 KB Created: 2020-10-27 17:07:13 +03:00 Authoring application: Martha Berry (via Jeremy Russell)
MD5: f8b6a1dbdc1eeeb93c29558ca75fb051 SHA-1: a5cae34b5c1d23f0dfddfbdf9709592a43201fba SHA-256: 169f3b417e03d7dd44ce737508f4c822e61af5bfb74d2dde5a3d193369dc4c20
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a PDF document that relies on an image lure, a common tactic for phishing or malware distribution. It contains multiple embedded URLs, including http://qlhxc4e.zqo and http://l6i9g89.sed.dubailter.com, which are likely used to redirect users to malicious sites. The presence of a local builder path alongside remote URIs suggests a sophisticated lure construction.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2723

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 139 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://qlhxc4e.zqo
    • http://l6i9g89.sed.dubailter.com

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