PDF malware analysis — malicious · 8fe83d1df4b51c1b

MALICIOUS

PDF

12.8 KB

MD5: 2c3e269aedc3c4191b5b87ae76526c1c SHA-1: 37ddfc39c67ae7a9c07b7f6ebd6b88ea12461aef SHA-256: 8fe83d1df4b51c1bd7c6a2f2e2ecc96d846fc75d7b28c0841c2e3de7c3eeb0fd

190 Risk Score

Malware Insights

MITRE ATT&CK

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

This PDF file is identified as malicious due to the exploitation of CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component, triggered by an XFA form. The embedded script, located at offset 0x384, likely serves to download and execute a second-stage payload. The presence of an embedded URL further supports the malicious intent.

Heuristics 6

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.
XFA form contains executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
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_00000384.bin` `265470d4e47e1ccdfb2d84da444490892760b72409ae06685f56d769241eb003`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12288 bytes

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