PDF malware analysis — malicious · d9b8923cd79b6a9e

MALICIOUS

PDF

12.8 KB

MD5: bbdd99c40b0b9869101b3f582b7dff43 SHA-1: 4dfa291f10b86314ab22e1940f97ef70d1a4db8c SHA-256: d9b8923cd79b6a9e6fff8607ed8caf8b67d438f215af05fbd86a5484d52fdcd5

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form with an embedded script, which is indicative of exploitation. Specifically, the CVE-2010-0188 heuristic firing points to a known vulnerability in Adobe Reader related to XFA forms. The embedded script likely serves as the payload for this exploit, aiming to download and execute further malicious content. The embedded URL is likely related to the exploit or payload delivery.

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` `0e1c921c8670de2dfb5df56f00d0daf58d131aa49484947ed5e8264eb1b122bf`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12324 bytes

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