Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a75403730dd77c0…

MALICIOUS

PDF

24.1 KB
MD5: fe8ed0add10fa97ddc1c8758e12b7198 SHA-1: 01599c44acb86fc64edcab0fdc52757643d71102 SHA-256: 5a75403730dd77c0e0118707ab2d68d2b8cea2056ad500800270b1f8eea4b665
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which is an exploit targeting Adobe Reader's LibTIFF component. The presence of XFA form elements further supports the exploit vector. The embedded URL, while seemingly benign, is often used in conjunction with exploits to fetch further malicious content. The ML classifier also strongly indicates maliciousness.

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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