Malicious PDF — malware analysis report

Static analysis result for SHA-256 381b4beb460b84e1…

MALICIOUS

PDF

24.1 KB
MD5: cdcb020acf329fb5e27841b03e33817e SHA-1: cb8fa00edfbf922333306bcaaa7ca796074977a7 SHA-256: 381b4beb460b84e123202e9a1e068e0ff12f8b5844ef32ce1a4b839c02abbabc
130 Risk Score

Malware Insights

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting XFA forms and LibTIFF. This exploit is designed to execute arbitrary code when the PDF is opened in a vulnerable version of Adobe Reader. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure and likely related to the exploit's functionality.

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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