Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfb26383d7ac257a…

MALICIOUS

PDF

24.2 KB
MD5: 1a34d018faf0daffd42a260c6e57487a SHA-1: 3f314b8d4247d60d337a1b132767b61b3a280354 SHA-256: dfb26383d7ac257a1fc339420d7ec5734fd7f1c9c14a162c71e826d47f0a3fe7
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 vulnerabilities. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to deliver a malicious payload by exploiting this specific vulnerability in older versions of Adobe Reader. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery URL.

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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