Malicious PDF — malware analysis report

Static analysis result for SHA-256 848b2e4d8b8405e7…

MALICIOUS

PDF

24.2 KB
MD5: 162d0f6db98e8c37576ab633d6ba353e SHA-1: 5e2897cfc48a9a859ef222b3819fb4fdf13cb8f1 SHA-256: 848b2e4d8b8405e76181331c43eec9fda833c57b4b15f77bcf7962011891a0ed
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 exploiting vulnerabilities in Adobe Reader. Specifically, the CVE-2010-0188 heuristic indicates exploitation of a LibTIFF vulnerability within XFA. The embedded URL is likely related to the XFA template, but the primary malicious action is the exploitation of the PDF reader itself. No scripts were extracted from this sample.

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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