Malicious PDF — malware analysis report

Static analysis result for SHA-256 cda6ded22c77f4e3…

MALICIOUS

PDF

24.2 KB
MD5: e0a3dacd12e6024c71b4aa4f865138f1 SHA-1: df9e76383e50056a2b88f3e13d2e5c4e31262693 SHA-256: cda6ded22c77f4e3c0f7e8310cdf668048dcc4e1c1d70738784b726530b632f2
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment T1190 Exploit Public-Facing Application

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Specifically, the critical heuristic firing indicates a CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit likely allows for the execution of arbitrary code, leading to a malicious outcome. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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/

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