Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fd4d941ac81b75d…

MALICIOUS

PDF

24.1 KB
MD5: 236a61e0a8b84d4e4f7a62f238218319 SHA-1: 5f144dd93017d41176ba2b473ef60bfb56c1c0fd SHA-256: 4fd4d941ac81b75dc6dfb2f9358c5202502a2dd4e6882f60e26a0471a0c4403c
128 Risk Score

Malware Insights

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

The critical heuristic firings indicate the file is a PDF exploiting CVE-2010-0188, a known vulnerability in Adobe Reader's handling of XFA forms and LibTIFF. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded URL, while benign in appearance, is associated with the XFA template schema and may 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: 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/