Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f0c53577268713f…

MALICIOUS

PDF

12.6 KB
MD5: b1c7ee51d218b21627b6c6a3f3282bc0 SHA-1: 1559cb85b9d343ddca60d4e0cf08c3c10bdde819 SHA-256: 0f0c53577268713f100451c0dffb863c4fd2b1eab177883f3faad3f93918d9ae
168 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript within an XFA form, which is known to be exploited by CVE-2010-0188. The embedded script attempts to download and execute a payload, as indicated by the heuristic firings and the nature of the script content. The script's functionality is to download and execute a second-stage payload, which is a common technique for exploiting this vulnerability.

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
22b58f67362422bcace976aea4a76d9873a5836c6318a1c26c70e66f7b6007c5
pdf-embedded-script PDF raw stream script payload at offset 0x359 12221 bytes