PDF malware analysis — malicious · 0e4c40bc00619956

MALICIOUS

PDF

12.6 KB

MD5: da4f5e112446cd0f74e953dab6f2c6ed SHA-1: 5d974251d9be3d5520dbf8e315e708421761224f SHA-256: 0e4c40bc0061995625c448e4c00308ae159e9a63e7a718405d366af9c413f3fc

170 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF that exploits the CVE-2010-0188 vulnerability, which is known to target Adobe Reader's LibTIFF component. Embedded JavaScript within the XFA form is likely responsible for executing the exploit. The ML classifier and ClamAV detection strongly indicate malicious intent, with the primary goal being the execution of an exploit payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.
ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded script payload in PDF stream low 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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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` `fcf2959eefbe1fe7819d1c541e5809554d339d3f7f2e8c2260764fa74bd657f1`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12180 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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