Malicious PDF — malware analysis report

Static analysis result for SHA-256 c961d085b26972ea…

MALICIOUS

PDF

14.5 KB
MD5: c92a4c09e2832b2626d584fdc5c9da9e SHA-1: 891ec0f437026c97e0f401bfe8e89cf09b603b16 SHA-256: c961d085b26972ea0ef25468495bd8b324c418fa3044a1f0e1aa443c987d709b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell T1059.007 Command and Scripting Interpreter: JavaScript

The PDF file contains XFA (XML Forms Architecture) data and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader exploit targeting LibTIFF. Additionally, ClamAV detected Js.Exploit.HTML-30, indicating embedded JavaScript with malicious intent. The extracted JavaScript, although obfuscated, appears to be designed to download and execute a second-stage payload. The embedded URL is likely related to the exploit or payload delivery.

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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