Malicious PDF — malware analysis report

Static analysis result for SHA-256 281abe5fd0c39138…

MALICIOUS

PDF

20.2 KB
MD5: 5180de8d60bd6727c0c6f72cc4d17aa6 SHA-1: f7844fbb67d7d68183a3158e3f881b410a1adee8 SHA-256: 281abe5fd0c39138314f2ad0b0ac72e64fb445ef4cf3b2f2132dbc834d1d0892
128 Risk Score

Malware Insights

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

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA form processing. This exploit allows for arbitrary code execution, likely to download and run a secondary payload. The embedded URL, while seemingly benign, is part of the XFA template structure and could be used in conjunction with the exploit.

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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