Malicious PDF — malware analysis report

Static analysis result for SHA-256 602861a944705ac0…

MALICIOUS

PDF

24.0 KB
MD5: 1cc97c93a36b3a70ad9cc648bfd6e833 SHA-1: 49f6cda47f0dd1464a80cb0d0f6f5c607d368848 SHA-256: 602861a944705ac0a723d9c14cb4f94289c839c3a0da001f03546751b7a45aa6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF that leverages the XFA form feature to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, indicated by the 'CVE_2010_0188' heuristic firing. The embedded JavaScript, though obfuscated, likely serves to download and execute a secondary payload. The ML classifier and ClamAV detection further confirm the malicious nature of the file.

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: 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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