Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc66d9ce5d7bb86f…

MALICIOUS

PDF

31.6 KB
MD5: 89f38bf908147fd7dc8399ae2a332597 SHA-1: db3b6548a8e65d2d9ef2055d975971cab9072a91 SHA-256: bc66d9ce5d7bb86fa2bedfad0ad8b56f25c0a23b18d0acbfa90e5b4f1e14ea4f
128 Risk Score

Malware Insights

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

The PDF file contains an XFA form that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. ClamAV also detected this as Js.Exploit.HTML-30, indicating a JavaScript-based exploit. The embedded URL is likely related to the exploit delivery mechanism. The document body appears to be obfuscated script content rather than user-readable text.

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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