PDF malware analysis — malicious · 5c4f7ff535716a0e

MALICIOUS

PDF

90.0 KB

MD5: 03a695d3c4c4a792d454ab7a1b387a73 SHA-1: 0939143e805c510d034faf4f91d4298763081b5d SHA-256: 5c4f7ff535716a0e3b15db484da48ee73d5ca6aea4670ed99d00db54a57ad713

168 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to execute an embedded JavaScript payload. The script itself appears to be obfuscated, but its presence and the exploit indicate a malicious intent to compromise the user's system. The embedded URLs are benign and likely related to XFA schema definitions.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
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://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000240.bin` `4f535153a4e4075d3b5959b293075571358e2231531963c6e75c753096ad1a1f`	pdf-embedded-script	PDF raw stream script payload at offset 0x240	91461 bytes

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