PDF malware analysis — malicious · 0127970de0c31faa

MALICIOUS

PDF

12.6 KB

MD5: 650d4f667116f81e2239172b87a2ddcd SHA-1: 30989ad1c4a4f3a57bfd32acefbe4324db433260 SHA-256: 0127970de0c31faaece149703ead7d25e1e96288cc11a4c3ba2449c34f8b7b80

180 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter T1059.007 JavaScript

The PDF file contains embedded XFA (XML Forms Architecture) data, which is exploited via CVE-2010-0188. This vulnerability allows for the execution of arbitrary code, indicated by the 'CVE_2010_0188' and 'ML_NYX_PDF_MALICIOUS' heuristics. The embedded script, though heavily obfuscated, likely facilitates the download and execution of a secondary payload. The ClamAV detection further confirms its malicious nature.

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
Embedded script payload in PDF stream medium 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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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_00000359.bin` `2a9a8ddab8a2c04730ce15cb986d19bc3d90475bf507280bd8e7a08da7d6d062`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12209 bytes

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