Malicious PDF — malware analysis report

Static analysis result for SHA-256 13af19da3a40316b…

MALICIOUS

PDF

24.0 KB
MD5: 02547084800a0427e39039a1ed692c6c SHA-1: bfbcfbb287e5bc54b043166224501b966ee4b35c SHA-256: 13af19da3a40316bb2c91a23e3bb8cb1d9059aef7a38eeb303d31d619f99c634
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 part of the XFA structure and likely related to the exploit's functionality. The document body contains obfuscated JavaScript-like code, suggesting an attempt to execute arbitrary code upon opening.

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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