Malicious PDF — malware analysis report

Static analysis result for SHA-256 a44ff89f70a738fe…

MALICIOUS

PDF

31.7 KB
MD5: 3e447c67b1bbf14de9be00d2d3046cfb SHA-1: a93f4a7e96974bb88cb46716b022cdc45e0f744a SHA-256: a44ff89f70a738feb5f6cfc5b89ffc870b144f931817d55557d4d1b347c23fef
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing. ClamAV also detected it as Js.Exploit.HTML-30, indicating embedded JavaScript used for 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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