Malicious PDF — malware analysis report

Static analysis result for SHA-256 4342d211d9920db9…

MALICIOUS

PDF

24.1 KB
MD5: de765c4625c4b2e145ac474af08f6c40 SHA-1: 5d59fd909e8e46e64782138dac5d9cd6466edd97 SHA-256: 4342d211d9920db9cbe56cb2003132f53ff8fcf298bfb4db559e4b843aae7c80
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 contains an XFA form, which is a known vector for exploiting vulnerabilities in Adobe Reader. Specifically, the CVE-2010-0188 exploit was detected, targeting a LibTIFF vulnerability within XFA. This exploit is designed to allow arbitrary code execution on the victim's machine. The embedded URL is likely related to the XFA template or a resource used by 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-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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