PDF malware analysis — malicious · ff57d53c0e76b915

MALICIOUS

PDF

12.6 KB

MD5: 5a4c2c419370fdeca09f97e52cb2992a SHA-1: 423f9a378ac023ec2a05dd7583b7a8b5de56554f SHA-256: ff57d53c0e76b9153e9f2989e4f7edcd44e13d698f2a2c5cee33821dc0369ce3

188 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component related to XFA forms. Heuristics indicate the presence of an embedded script within an XFA form, which is likely responsible for delivering the malicious payload. The embedded URL, while seemingly benign, is present within the document's structure.

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_00000359.bin` `9b7dd7f874d11b90b08736e5de53f7c97147025ed76c467045883c7eeefb73e9`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12209 bytes

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