Malicious PDF — malware analysis report

Static analysis result for SHA-256 263dbd2c66beabd4…

MALICIOUS

PDF

24.1 KB
MD5: b3f1c8f78b3c7eb190bf5cdc3633db10 SHA-1: ba4496e7551679bc9f566b2470762fdc49f5bb21 SHA-256: 263dbd2c66beabd47806092566a16a370e866e791f02ea7c66cd27edc35afb7c
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains XFA form elements and triggers the CVE-2010-0188 exploit, which is a known vulnerability in Adobe Reader related to LibTIFF processing. ClamAV also detected this file as Pdf.Exploit.Agent-36821. The embedded URL, while not directly malicious in reputation, is associated with XFA templates and likely serves as a lure or part of the exploit chain.

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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