Malicious PDF — malware analysis report

Static analysis result for SHA-256 f251740f8c3dcf21…

MALICIOUS

PDF

24.1 KB
MD5: f55a0aab5342a0665fd464ee003c5fad SHA-1: af0d75f8e5c4c4d191632a4727b6cf094c72f7f8 SHA-256: f251740f8c3dcf2107e98e72025585ddb803c53e219956513c8a10ded8f184b8
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF file identified as malicious by ClamAV. Static analysis revealed critical heuristic firings for CVE-2010-0188, an exploit targeting Adobe Reader's handling of XFA forms and LibTIFF. This exploit is likely used to download and execute a second-stage payload. An embedded URL was also found, though its reputation is unknown.

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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