Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8154b2cd6c9c542…

MALICIOUS

PDF

24.1 KB
MD5: 2672ab57c8ab23aca38e49346e465ca0 SHA-1: 62ca7e76b13699cbd69cfc1c889a9181bf140392 SHA-256: d8154b2cd6c9c542d3cff5070a1db6f811b9995bcb9314a623b88dc9bdfb97fc
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is often used to deliver exploits. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit this vulnerability to execute arbitrary code. The embedded URL, while seemingly benign, is part of the XFA 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: 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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