Malicious PDF — malware analysis report

Static analysis result for SHA-256 7219d541fbda1a3a…

MALICIOUS

PDF

24.3 KB
MD5: 079eaed9159ad7936df3017a06686813 SHA-1: 9c1ad2eb556302e8d02993cfdc493c6077f6126e SHA-256: 7219d541fbda1a3a6505b052b0200bf0973e9c4948d6918854dd857620d907f2
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 ClamAV and an ML classifier. It contains an embedded XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF component, to execute a payload. The embedded URL is likely related to the exploit or payload delivery.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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