Malicious PDF — malware analysis report

Static analysis result for SHA-256 133278a4bdacbcb7…

MALICIOUS

PDF

20.2 KB
MD5: 9f73eb2521c5bf5069d634ec49069858 SHA-1: eaf894241531067aff31bf7e43d43faed01536f9 SHA-256: 133278a4bdacbcb7ceadf52e1982a0ef7f9de606344eaf43cbc7742df0890ec4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF sample contains an XFA form that is vulnerable to CVE-2010-0188, a known exploit for Adobe Reader. This exploit allows for arbitrary code execution, likely to download and run a second-stage payload. The embedded URL, while benign on its own, is often associated with exploit delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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