Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ccbd089fb84c1a9…

MALICIOUS

PDF

23.9 KB
MD5: 6b1653e9f4f459af536a70cdbdcfba1f SHA-1: 057e19c204e3ad52311e90f3c3ce5331c36070d0 SHA-256: 1ccbd089fb84c1a99ee9730c5eee70019e2bbc02594002a03367b0157ccfb103
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form and exploits the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is known to target LibTIFF within Adobe Reader's XFA processing. The embedded URL is likely related to the XFA template, but its reputation is unknown. The heuristic firings strongly indicate exploitation for code execution.

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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