Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cabb4f4248f3da7…

MALICIOUS

PDF

24.1 KB
MD5: 516497e9e6959266eba0b4a4824d2546 SHA-1: 09099b4c53bc929a8e7a739ebe55c3f663670897 SHA-256: 5cabb4f4248f3da7f8730f06bdceea36d5052df8f3259b7a045140515ea0cf60
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 LibTIFF XFA image exploit. The presence of XFA form elements and the exploit detection strongly suggest the file is designed to leverage this vulnerability for initial code execution. The embedded URL, while seemingly benign, is present within the document's structure, indicating a potential, albeit weak, indicator of compromise.

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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