Malicious PDF — malware analysis report

Static analysis result for SHA-256 829c66d3d29bc44e…

MALICIOUS

PDF

24.1 KB
MD5: 9aaa23da8cd0633db6c3490ec1809922 SHA-1: fc0d08191d0c42899d44a8895bfdadc670719d35 SHA-256: 829c66d3d29bc44efc0253169e14f624a4ab778dc4a2b1bd5bc918bf19eeba5a
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 that triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit a known vulnerability in older versions of Adobe Reader to execute arbitrary code. The embedded URL, while seemingly benign, is part of the XFA structure and may be related to the exploit's functionality.

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/