Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f5a9dd281d10d54…

MALICIOUS

PDF

24.1 KB
MD5: ed5f6f52cd39f69b19b49907836156de SHA-1: 00a80dfb6e0ed6c9c2216a171126c28698e2f3fb SHA-256: 9f5a9dd281d10d5468db078652032e5103b499ed800055f43c075887175b0e40
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected an XFA form and a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. The embedded URL, while not directly malicious, is associated with XFA templates, further supporting the exploit vector. The document body contains obfuscated JavaScript-like content, likely part of the exploit payload, which is too obfuscated to determine its exact function.

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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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