Malicious PDF — malware analysis report

Static analysis result for SHA-256 39170444ddf7ebec…

MALICIOUS

PDF

232.6 KB Created: 2017-11-14 14:07:15 -05:00 Authoring application: Microsoft® Word 2016
MD5: cd5910b8d09ff5db4c8562adb4b7cc21 SHA-1: 675b90d18651aae35ca351c76f68f5550245f3f5 SHA-256: 39170444ddf7ebec6fd7e0058e4202af45e4b4dcb3bc6529ad2f48df4aee1666
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF employs an image-only lure, a common phishing tactic to trick users into interacting with a malicious link. The embedded URL, https://mistralartistmanagement.com/Olux/dsign/, is the primary indicator of malicious intent. ClamAV detection further confirms its malicious nature as Pdf.Dropper.Agent-7336447-0, suggesting it acts as a dropper for further malicious payloads.

Machine Learning

  • Nyx PDF Classifier clean score 0.0333

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7336447-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7336447-0
  • 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 232 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 https://mistralartistmanagement.com/Olux/dsign/
    • 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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