Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c3ad5c147fa1d9a…

MALICIOUS

PDF

24.1 KB
MD5: 02af8eee1e1d8152e38ec8b41ac90fe1 SHA-1: cf9e1148b939a17665359a5339525d18350abd43 SHA-256: 1c3ad5c147fa1d9a69bc4f4866f11d47a9f6795fa55a5168c8668cadf193ace6
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file identified as malicious by ClamAV. Static analysis detected an XFA form and a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The embedded URL is likely related to the XFA template. The exploit payload is decoded from a raw stream within the PDF.

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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