Malicious PDF — malware analysis report

Static analysis result for SHA-256 51c621ffcee80145…

MALICIOUS

PDF

24.1 KB
MD5: 65e1b403735230e79a5956898699b0d3 SHA-1: 33d5d1bc3720eac48c78eab2cec77e93ff5aaac0 SHA-256: 51c621ffcee801453fdfbadd710cad55f8c77fdbe5b89fbda352f70756cf8605
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 known to be a vector for exploits. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This exploit likely allows for the execution of arbitrary code upon opening the document in a vulnerable version of Adobe Reader. The embedded URL is likely related to the XFA template structure.

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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