Malicious PDF — malware analysis report

Static analysis result for SHA-256 25be7be5475a0a7c…

MALICIOUS

PDF

24.1 KB
MD5: ee87fa145ecc2c8226fae1b0ad4d5145 SHA-1: 293940abe8570ee939d96c9e9ab27ddabe3e6e4b SHA-256: 25be7be5475a0a7c67a4e24ef8edff52ed878ecdbc6adb46bd94ca7bd948fc16
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The sample is a PDF document that leverages XFA forms, triggering a critical heuristic for CVE-2010-0188, an Adobe Reader exploit. This indicates the document is designed to exploit a vulnerability in the PDF reader to execute arbitrary code. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain.

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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