Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5b807564ba2f177…

MALICIOUS

PDF

24.0 KB
MD5: f37f5cc4c40f07fb121ac9e77ef69700 SHA-1: da89e4df84c60c7e848d68ee7cb039a26aefca38 SHA-256: c5b807564ba2f1771a757d8165ede46476b3960b403c73dde3a08c751fb2363b
128 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 exploiting Adobe Reader vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates exploitation of the LibTIFF component within Adobe Reader. The embedded URL is likely related to the XFA template, but the primary malicious activity is the exploitation of the PDF reader itself. No scripts were extracted, and the document body content is obfuscated and does not provide further clues.

Heuristics 4

  • 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
  • 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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