Malicious PDF — malware analysis report

Static analysis result for SHA-256 56ef5e90947a7a6f…

MALICIOUS

PDF

24.1 KB
MD5: c311ae528a998c29d7383ad7f8152fa0 SHA-1: e15d2df8deda8e4431b8bf94bf13e1d3c92904b3 SHA-256: 56ef5e90947a7a6f5532a7b30a8ef1ab139e4665c4f1e34955d0e39c577a0a49
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages the XFA form functionality to trigger an exploit for CVE-2010-0188. This vulnerability allows for arbitrary code execution within Adobe Reader. The embedded URL is likely related to the XFA template, but its direct maliciousness is not confirmed by the provided data.

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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