Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ec721e3232b25f7…

MALICIOUS

PDF

24.1 KB
MD5: 469bddddf7fdbe3573f08a11680bc5b9 SHA-1: 6da01b2d5a74b4016a284064027bd5d37db390b5 SHA-256: 5ec721e3232b25f70b0b68a1e8ba1b8f31aa549bcaec20a382e2e745e3cdb897
160 Risk Score

Malware Insights

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

The file is identified as malicious due to critical heuristic firings indicating an exploit for CVE-2010-0188 within an XFA form. This exploit is designed to achieve code execution on the victim's machine. The embedded URL, while not directly malicious, is associated with XFA templates, reinforcing the exploit vector. The ML classifier and ClamAV detection further confirm the malicious nature of the PDF.

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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