Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a2336fe586bb88c…

MALICIOUS

PDF

12.8 KB
MD5: ad77d9abf6200af811b4da1a1ca7e5e2 SHA-1: dc6b3c1c6cd0373ffb205c952c4184b48a900b6c SHA-256: 1a2336fe586bb88c38ced78d7f65e32d8ff462dc0332208f561fd1e62e455da2
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The file is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. ClamAV also detected it as Js.Exploit.HTML-30, indicating embedded JavaScript exploit code. The embedded URL is likely related to the exploit delivery or a secondary payload. The XFA form structure and the embedded JavaScript suggest an attempt to execute arbitrary code on the user's system.

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/