Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd132effc5b0ee7c…

MALICIOUS

PDF

24.1 KB
MD5: aa4a9e3c3923f8b1d938388c520024c3 SHA-1: 0298b7463d58840991bdc05947e35ef260ff9afb SHA-256: fd132effc5b0ee7cbef9ccaf2d37615bd7b928004a1a67777bc1881efb80e676
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA form functionality. Heuristics indicate a critical exploit related to LibTIFF and XFA, and ClamAV detected it as Js.Exploit.HTML-30. The embedded URL, while likely benign in isolation, is part of the exploit chain. The exploit likely downloads and executes a second-stage payload.

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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