Malicious PDF — malware analysis report

Static analysis result for SHA-256 019e132049f0cd2e…

MALICIOUS

PDF

90.7 KB
MD5: 2d5ffca1fa8131b5a47310c5b4ff4362 SHA-1: 93c3364546b23e22cc0caf364fbc924bbf72b78c SHA-256: 019e132049f0cd2ebce62b1904ca31afaa59af6bfd359f20abfc761a87314359
180 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader. An embedded script is present, which is likely responsible for executing a malicious payload. The script's obfuscated nature and the exploit indicate a downloader or dropper functionality, aiming to compromise the user's system.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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-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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_0000023e.bin
8b11a4e998682e63be12e48851a83f93bf84df2fc46ae64023621413c3512d61		 pdf-embedded-script PDF raw stream script payload at offset 0x23E 92189 bytes

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