Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3ec9647cb2cb752…

MALICIOUS

PDF

24.1 KB
MD5: de7862838ce120b067ec40b5665c2b4c SHA-1: f24a06a61be665a1cc2be8781cb4f370fb4cfb68 SHA-256: f3ec9647cb2cb752c73d80c39426b9c4f3108454ae21378c72c8274a777d9eb7
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious PDF T1566.002 Phishing: Spearphishing Attachment

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. This exploit is designed to download and execute a malicious payload. The embedded URL, while seemingly benign, is part of the exploit chain. The heuristic firings strongly indicate a malicious PDF exploiting a known vulnerability.

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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