Malicious PDF — malware analysis report

Static analysis result for SHA-256 435c0479b60f3a6f…

MALICIOUS

PDF

24.2 KB
MD5: 0417f0aa7f3face2c7cbbd350d0f7dd9 SHA-1: b2ea6b5abe5aa1a4908b2f6da2e4800aab132a03 SHA-256: 435c0479b60f3a6fe50a06f40a5251b2b80fc5eee2cbb7af2d70ff751f8d093b
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an embedded XFA form. Static analysis detected a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting a vulnerability in Adobe Reader's LibTIFF handling within XFA forms. This exploit is designed to achieve arbitrary code execution on the victim's machine. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery 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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