Malicious PDF — malware analysis report

Static analysis result for SHA-256 4dd421919da209de…

MALICIOUS

PDF

24.1 KB
MD5: 343fb65a1f471caf425022b08d0b72d9 SHA-1: 9a5e72b0a46316e22fa4b0677148b820e5cf9a55 SHA-256: 4dd421919da209debf1de6d453e7131c23e019b514c8668a5ff6d867c37d9f3f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a PDF file that leverages XFA forms to exploit the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to execute a malicious payload, as indicated by the critical ClamAV detection. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit delivery mechanism.

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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