Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4a156952bdda50c…

MALICIOUS

PDF

20.2 KB
MD5: 37d6e92ac695ba582255b212f9534a66 SHA-1: aaad81668fe025893490b03f5ffaeada037c526d SHA-256: c4a156952bdda50c62ef783eb8b240a5e4103bed6aaa3efcbbb607f3e4dfc9e1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. This exploit is known to download and execute a second-stage payload. The embedded URL, while seemingly benign, is associated with XFA templates and likely serves as a lure or 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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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