Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bb4d9cc35a50d9c…

MALICIOUS

PDF

12.6 KB
MD5: 11f4c3fec15c95c307fd8184dcb5ff08 SHA-1: 7b04bbb29c2b2432ed2c9cbeb0467371125c905a SHA-256: 5bb4d9cc35a50d9c8ac2a453509f5dc2aac1789a509b4dcd0000fa43478629af
168 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript that is triggered by the CVE-2010-0188 exploit. This exploit targets a vulnerability in Adobe Reader's handling of XFA forms, specifically related to LibTIFF processing. The embedded script is designed to download and execute a second-stage payload, although the full script content is truncated.

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://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
f43dfc0f4922843f1c3d196f9be2a19612cc235f7b5f70eae138b8da98bb8ca2
pdf-embedded-script PDF raw stream script payload at offset 0x359 12209 bytes