Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bd2f89d9207e2c6…

MALICIOUS

PDF

12.7 KB
MD5: de0b7b02751268b46e4c88eb00f87817 SHA-1: 686a2a824349afbf683d00c1c008ed4545c058f3 SHA-256: 9bd2f89d9207e2c688623dc99a2e9b2ffb66c3faf6cd0ca71bb186707820b530
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The file is a PDF document that leverages XFA forms to deliver a malicious payload. Static analysis identified a critical vulnerability exploit (CVE-2010-0188) targeting Adobe Reader, specifically related to LibTIFF and XFA image processing. Additionally, ClamAV detected it as Js.Exploit.HTML-30, indicating the presence of malicious JavaScript. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in the exploit chain.

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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.xfa.org/schema/xfa-template/2.5/

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