Malicious PDF — malware analysis report

Static analysis result for SHA-256 87462fb74b5e2e37…

MALICIOUS

PDF

24.2 KB
MD5: 2eaba9da8c50fe104bed9c19c9f80e06 SHA-1: 5ab1097f8abfecde29aca7f4ebb21817fb8e4086 SHA-256: 87462fb74b5e2e3702108567a2e84c1d346067cc42c6813d9cc88c635db4a30c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF that leverages the XFA form feature to exploit the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to achieve client-side code execution. The embedded URL, while not directly malicious, is associated with XFA templates, further supporting the exploit vector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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