PDF malware analysis — malicious · 7410162ceab8d043

MALICIOUS

PDF

101.9 KB

MD5: d7eed248776c90d94374cb4775db9baf SHA-1: 2c6a1425b3049a94348c0e2c45697e9104729b55 SHA-256: 7410162ceab8d043f92e75a3c74492ce48daed1e2c0a50fc6374e54d55802a1a

168 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The sample is a PDF file that leverages the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component to execute a payload. The embedded XFA form and script suggest an attempt to download and run a second-stage exploit. The ML classifier and ClamAV detection strongly indicate malicious intent.

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_00000346.bin` `b52b7c72e8c1479e843d9e58e913b8b39009c15c8fe3580b869b465693f3f0d2`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103665 bytes

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