Malicious PDF — malware analysis report

Static analysis result for SHA-256 32d5a4599cc982a3…

MALICIOUS

PDF

34.7 KB Created: 2015-12-17 22:57:04 UTC Authoring application: Nitro Pro
MD5: 8cec380dfdaff9de55822ba2f64bfc28 SHA-1: 80af3e0c81bacb114bac5e4c228925a145d93851 SHA-256: 32d5a4599cc982a3c2dea5b89953359baffaff8e4a9f4db463cdedf138c696bf
82 Risk Score

Malware Insights

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

The PDF file is identified as malicious by ClamAV and exhibits characteristics of a phishing lure, specifically an image-only document designed to trick users into clicking an embedded link. The heuristic PDF_IMAGE_LURE indicates that the document is primarily an image with a clickable action, typical of phishing attempts. The embedded URL, https://bursahirdavat.net/wp-admin/file/index.php, is the likely destination for the user after clicking the lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier clean score 0.0153

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7246877-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7246877-0
  • 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 34 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://bursahirdavat.net/wp-admin/file/index.php
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/

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