Malicious PDF — malware analysis report

Static analysis result for SHA-256 0db8501d46d6258b…

MALICIOUS

PDF

185.8 KB Created: 2017-11-28 21:06:40 -08:00 Authoring application: Microsoft® Word 2016
MD5: 43eb32086cbc695c3dd62bc07e9a06d7 SHA-1: b82e0225abff90bf6ad1ae3774d10ccb708fcf11 SHA-256: 0db8501d46d6258b20907d560c8219b4041755bdc983d539e3eefc08c2c719a6
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is detected as a dropper by ClamAV and exhibits characteristics of a phishing lure, including an image-only design and an embedded action trigger. The embedded URL, http://www.cpalawoffice.com/funds/docusi, is likely used to redirect the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier clean score 0.0239

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7228472-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7228472-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 185 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://www.cpalawoffice.com/funds/docusi
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/

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