Malicious PDF — malware analysis report

Static analysis result for SHA-256 5afa8fc9cca61c88…

MALICIOUS

PDF

24.2 KB
MD5: 500aeb4ac06959bdd10f07d308a20071 SHA-1: 837de086ce9b9b26e840810b1acddfca080a5d25 SHA-256: 5afa8fc9cca61c887352630a14256b6cbccba2b76872267da5154a9db4b327a6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF sample contains an embedded XFA form and triggers the CVE-2010-0188 exploit, which is known to be used for arbitrary code execution. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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