Malicious PDF — malware analysis report

Static analysis result for SHA-256 04d1dda5abd1daf9…

MALICIOUS

PDF

75.8 KB
MD5: 1ce12533fe9d53f4069ba3dc0e0219ea SHA-1: 5b754cf4ad4aa86a357ce4559d1b4676b0246a22 SHA-256: 04d1dda5abd1daf9bdd9d79fc5ef90686896f68c35fff219eeb0ed1f1c8e5549
168 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file contains an embedded XFA form that leverages the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to execute an embedded JavaScript payload. The script itself appears to be heavily obfuscated, but its presence and the known exploit indicate a malicious intent 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
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream low 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.
  • 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_00000286.bin
d4cae960192197cf9627ad27aea18040cfcdd4267e38266a54aeb9749d7efcc3
pdf-embedded-script PDF raw stream script payload at offset 0x286 76948 bytes