Malicious PDF — malware analysis report

Static analysis result for SHA-256 710e91861fd7bf09…

MALICIOUS

PDF

12.8 KB
MD5: ba8382c259218afcccde740df68c8a77 SHA-1: 682d6da4bc1debb0daa0f870f97ff74eb3b80047 SHA-256: 710e91861fd7bf09b4c9206a8e067ecced849ca1b5a8768d3a719abc26533e24
168 Risk Score

Malware Insights

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

The PDF sample contains embedded XFA content and triggers the critical CVE-2010-0188 heuristic, indicating an exploit targeting Adobe Reader. The embedded script, identified as JavaScript, likely contains obfuscated code to download and execute a secondary payload. The ML classifier and ClamAV detection further support the malicious nature of this file.

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_00000384.bin
301b0dc360bee32964a4d2b6a20b2c5b15283837e65a3c42eca3140654e815f8
pdf-embedded-script PDF raw stream script payload at offset 0x384 12312 bytes