Malicious PDF — malware analysis report

Static analysis result for SHA-256 122136746f818133…

MALICIOUS

PDF

24.1 KB
MD5: f56ac16010c0f4c386f0c87b37e604c5 SHA-1: 290e5519bae4e55b4044250098621b28f2e76a3f SHA-256: 122136746f8181330da3af967c18f6d2bbc8828a7fa7b98c22a4a6220c46a1cb
160 Risk Score

Malware Insights

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

The file is identified as malicious by multiple heuristics, including a critical finding for CVE-2010-0188, which targets Adobe Reader's LibTIFF XFA image parsing. This exploit is commonly used to achieve arbitrary code execution. The embedded URL, while seemingly benign, is present within the document structure and could potentially be used in conjunction with the exploit.

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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