Malicious PDF — malware analysis report

Static analysis result for SHA-256 904eaf721bcc6c56…

MALICIOUS

PDF

24.1 KB
MD5: 5c20f7e4d67f185e73abf42e9a845bc4 SHA-1: 5bfc371d4a0922d39865d47f38704269be04d11c SHA-256: 904eaf721bcc6c56d7c352ba6a6bc95b33a4be9838ce4e2150ea49c1b9dfe74e
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploitation. Specifically, the 'CVE_2010_0188' heuristic firing indicates the exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. This exploit is designed to execute arbitrary code upon opening the document. The embedded URL, while not directly malicious in this context, is part of the XFA template structure.

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/