Malicious PDF — malware analysis report

Static analysis result for SHA-256 a244ffb388c7fecb…

MALICIOUS

PDF

67.8 KB
MD5: 7153a14cfa889e2ebf98d54ff4d7d237 SHA-1: 6a36dfb93e9cfc24f849cdba14ff84c1ce567fd5 SHA-256: a244ffb388c7fecbcd8a4e27c1aa0bbb598641a6ffa11712ea4b48e6f244efa4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate that the file contains an XFA form and successfully matches the decoded XFA payload. ClamAV also detected it as Pdf.Exploit.Dropped-78. The embedded URL is likely related to the exploit 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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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