Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2b0239d39b57b58…

MALICIOUS

PDF

170.7 KB Created: 2020-09-10 21:27:54 +03:00 Authoring application: Maria Fuller (via Julia Howell) First seen: 2021-11-02
MD5: d73aa8a22af33ed0c6442baa630e2f5e SHA-1: 7244a47549d8d7b6fc1c184eefe02d6972cdfbe8 SHA-256: a2b0239d39b57b58f2cf80e41bc9c9d02c298e0b226489b5456ffcb64602a2c3
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-based lure, containing a screenshot designed to trick users into interacting with embedded links. The presence of multiple external URIs and a local builder path suggests an attempt to redirect the user to malicious content or download further payloads. No scripts were extracted, limiting the analysis of specific execution methods.

Machine Learning

  • Nyx PDF Classifier clean score 0.1805

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 170 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://e1qyu2x.mgp PDF link annotation
    • http://1poiyv.dab.wavebankcard.comIn PDF document text

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