PDF malware analysis — malicious · 968facd8129a3fff

MALICIOUS

PDF

12.7 KB

MD5: aca57e20bf6718b6637a9cf58089fd48 SHA-1: 8efbd8f0c15f055a4697cd8ec268d4ee1e9b5c9e SHA-256: 968facd8129a3fff0e73e194cca04280bc0828dc2ea5752330d8d8282e863bab

188 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader's LibTIFF component. An embedded script within the PDF is likely responsible for executing the exploit payload. The presence of the XFA form and the specific CVE firing strongly indicate a malicious intent to exploit a known vulnerability for 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` `ee7b77675f2ba59bb212ca7d6f7c80a3738d07f3b12315cea5162082b37dd476`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12276 bytes

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