Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c3bf7a972bd84bc…

MALICIOUS

PDF

24.1 KB
MD5: 24255506b984acf6ffef1fca6ba32de8 SHA-1: 31628fc8c7f9af11b8a009450821e9ec991c1429 SHA-256: 7c3bf7a972bd84bc83aa8839b14031cede860659432f4655f3711a88ee68c34e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file identified as malicious by ClamAV. Static analysis detected the use of XFA forms and specifically the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit is used to execute a payload from the decoded XFA stream. The embedded URL, while not directly malicious in reputation, is associated with XFA templates and likely 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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