Malicious PDF — malware analysis report

Static analysis result for SHA-256 c19a4c9cd0125c09…

MALICIOUS

PDF

24.1 KB
MD5: ce279fb5b931a5e3e93d472b5d0563c4 SHA-1: 7682aa05094e623c3d9ea2941952191616afa638 SHA-256: c19a4c9cd0125c09ac79c27b020d13226dfe20f3b58103f7bba3f1063755d015
130 Risk Score

Malware Insights

MITRE ATT&CK
T1190 Exploit Public-Facing Application

The sample is a PDF file identified as malicious by ClamAV, specifically detecting 'Pdf.Exploit.Agent-36821'. Static analysis reveals it contains an XFA form and exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA images processed via LibTIFF. The embedded URL, though seemingly benign, is associated with XFA schema definitions and likely part of the exploit mechanism.

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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