Malicious PDF — malware analysis report

Static analysis result for SHA-256 6db89debdf3fc69b…

MALICIOUS

PDF

24.2 KB
MD5: 61ecef54a5b3f08458e15a75e944db9d SHA-1: 4a693b248760f88186717b923a17b1d589b8c17a SHA-256: 6db89debdf3fc69b2e1eb91c3f58442c4f3937606f5c79b5750948e486a16f1c
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, an Adobe Reader exploit targeting XFA forms. The ML classifier also strongly flagged the file. The embedded URL, while seemingly benign, is present within the document structure, suggesting it might be part of the exploit chain or a lure. The exploit's nature indicates it's designed to achieve arbitrary code execution, likely for downloading further malicious content.

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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