Malicious PDF — malware analysis report

Static analysis result for SHA-256 aedc3bb7ac0672de…

MALICIOUS

PDF

12.9 KB
MD5: 36e0d1614c0380c1ff8edb0daf040b2f SHA-1: 352d2f66142877c3dd31cabe66984615af05d39b SHA-256: aedc3bb7ac0672de985977600808807771bb6d62b7a00087b42d682599cc7cac
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious JavaScript T1204.002 Malicious Link: Malicious File

The sample is a PDF file that leverages XFA forms to deliver a malicious payload. Heuristics indicate a critical vulnerability exploit, CVE-2010-0188, targeting Adobe Reader's LibTIFF component. Additionally, ClamAV detected it as Js.Exploit.HTML-30, suggesting embedded JavaScript is 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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