Malicious PDF — malware analysis report

Static analysis result for SHA-256 98e286d9876fc0a9…

MALICIOUS

PDF

24.1 KB
MD5: 6935bdc5c7ec294e1b5ec0747ede351e SHA-1: 8b1b29cccbd0d55a9cb49cb0bfa9b02e5d22a72f SHA-256: 98e286d9876fc0a9d27ae5533b21e9b826273b1660fc3202847ba62cbf904716
128 Risk Score

Malware Insights

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

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate that the file contains an exploit targeting this specific CVE, likely for client-side execution. The embedded URL, while seemingly benign, is part of the document's structure and may be used in conjunction with the exploit.

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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