Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b022b410ee4cdbe…

MALICIOUS

PDF

12.8 KB
MD5: 1ee39571e512b1397cb486c366aac011 SHA-1: a6a7c126c5924b87c8e66902707aa28f0703b9e1 SHA-256: 2b022b410ee4cdbea9a01251ef28c5b528c7ae4024d162932180a7a2f6ad4742
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 contains an embedded XFA form, which is known to be exploited by CVE-2010-0188. ClamAV also detected it as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL is likely 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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