Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddc3fd865a6864a7…

MALICIOUS

PDF

61.6 KB Created: 2022-10-15 05:58:39 -07:00 Authoring application: Microsoft® Word 2016
MD5: d4194ef3a95f09e7eba3c1d8e9106be6 SHA-1: ec8ce1efa3c0e8ace8bbd166e6f42bc42aa8e5f3 SHA-256: ddc3fd865a6864a7a117387bcb2e36178d6ad2f3652b58f17ef9b6a53c203cdb
140 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1059.003 Windows Command Shell

The PDF file is identified as a malicious downloader by ClamAV. It contains a direct link to a batch file hosted on Discord, which is likely intended to be downloaded and executed. The PDF is structured as an image-only lure, typical of phishing attempts designed to trick users into interacting with malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2554

Heuristics 4

  • PDF link points directly to executable/archive payload critical PDF_DIRECT_PAYLOAD_LINK
    PDF contains a clickable HTTP(S) URI whose path ends in an executable, script, shortcut, disk image, or archive extension. Documents can legitimately link to installers, so this is a high-risk delivery indicator rather than a standalone exploit fingerprint.
  • ClamAV: Pdf.Trojan.Downloader-9985766-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Trojan.Downloader-9985766-0
  • 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 61 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://cdn.discordapp.com/attachments/1030202249588260947/1030826606312300705/Price_Quote.bat
    • 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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