Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ce7ce8af01f5dc8…

MALICIOUS

PDF

12.7 KB
MD5: 6fc0ae411309972e223c031ca420e5cf SHA-1: e0a4bdbced22a13abf8dc880c7ecd5868054de81 SHA-256: 3ce7ce8af01f5dc8058592edacf8b6ec6f4e28bc4bcfe934edc9a67e0fbd0ae6
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, indicating it's designed to leverage a vulnerability in Adobe Reader. The embedded script payload, identified by ClamAV as Pdf.Exploit.Agent-6136306-0, likely facilitates the execution of malicious code. The embedded URL is likely part of the exploit chain.

Heuristics 6

  • 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.
  • XFA form contains executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
2935fd124e33bc4ab9f435044067352a7824d64aa20d49c70e7f8fd3def1318c		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12229 bytes

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