Malicious PDF — malware analysis report

Static analysis result for SHA-256 42f96a4b3189a947…

MALICIOUS

PDF

24.1 KB
MD5: 444df325e28fe85b36db48dfed9e3881 SHA-1: e926bcb2e6d835dbd88e8341d5c254a566c6f3eb SHA-256: 42f96a4b3189a9471437c87ab876c3c932612968c13918dd1966501d373a5fe0
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that leverages the CVE-2010-0188 vulnerability, specifically targeting Adobe Reader's XFA forms. This exploit allows for the execution of arbitrary code. The embedded URL, while not directly malicious in its current form, is associated with XFA templates and could potentially be used in a more complex attack chain.

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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