PDF malware analysis — malicious · 0d1651e6427e3fd5

MALICIOUS

PDF

12.8 KB

MD5: aae8911ceeb9d393e68bbee2a1c871a3 SHA-1: 9badc8a4fe54397c6a5377fe7131ff22ff1a5680 SHA-256: 0d1651e6427e3fd5d7b9685486ab70df584901986e29fa26dbe9b1979338ec3a

168 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file contains embedded JavaScript that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The embedded script is designed to download and execute a second-stage payload, as indicated by the heuristic firings and the nature of the script content. The script attempts to reconstruct a URL from concatenated strings, which is a common technique for obfuscating malicious downloaders.

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.

Filename	Kind	Source	Size
`embedded_pdf_script_00000384.bin` `bb6391af2fc1f6c7d3be2b95a9e1759509fdb83af00d911c3d6b99da1d086e40`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12358 bytes

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