Malicious PDF — malware analysis report

Static analysis result for SHA-256 93a0fd28a70e010d…

MALICIOUS

PDF

14.3 KB
MD5: fe9ae57020b16c7f3db404264f3e1cc9 SHA-1: eb4488eaeb88c8dcaeb2161a90d8d7e98cc871e3 SHA-256: 93a0fd28a70e010d3932638ce2ceb9a898bf500805825a82a9fdd9a8dd65b4cd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. The embedded URL, though malformed, points to an XFA schema. The heuristic 'Js.Exploit.HTML-30' suggests JavaScript-based exploitation, likely within the XFA content, which is designed to download and execute a second-stage payload. The document body contains obfuscated JavaScript that appears to be part of the exploit chain.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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