Malicious PDF — malware analysis report

Static analysis result for SHA-256 39ba5fde06ecbc75…

MALICIOUS

PDF

24.1 KB
MD5: bfb4233915ede401e705d0d2ba413344 SHA-1: 4a1f796d3fbe22a500661d763cc4898f0129c0ef SHA-256: 39ba5fde06ecbc752bd8fce128bd1aa0c483772ac1a71a1b039bb948c28a954a
128 Risk Score

Malware Insights

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

The sample is a PDF file that triggers critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's XFA form processing. This indicates the file is designed to exploit this vulnerability upon opening in a vulnerable reader. The embedded URL, while seemingly benign, is part of the XFA structure and may be used in the exploitation 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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