Malicious PDF — malware analysis report

Static analysis result for SHA-256 aea58cc0406c0f80…

MALICIOUS

PDF

24.1 KB
MD5: 3112b0923e3107cf45146d36f7c5e32d SHA-1: 0831f9fc36d3ceb87e7207af87a350f47a784475 SHA-256: aea58cc0406c0f807ba93f4b7b384c95f3e4e4c31cc8c5d01735b8023b3d004e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected the use of XFA forms and specifically the CVE-2010-0188 exploit targeting LibTIFF within XFA content. This indicates the document is designed to exploit a vulnerability in Adobe Reader to execute arbitrary code. The embedded URL, while seemingly benign, is associated with XFA templates and likely part of 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: 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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