PDF malware analysis — malicious · 05cad5c8f94dfa09

MALICIOUS

PDF

16.2 KB

MD5: e053244296b87265372fa938c2d7490c SHA-1: d552edfe8bedff08c0f9fc380f5f013e2dc8a57d SHA-256: 05cad5c8f94dfa0925d564749d30acd56aa88ac84a2d189dac29127525f65cd3

168 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which exploits a vulnerability in Adobe Reader's handling of XFA forms. The embedded JavaScript, though truncated, is indicative of a malicious payload designed to be executed upon opening the document, likely leading to further compromise. The presence of an embedded URL, even if benign, is noted.

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://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` `ced82b5872368e48477890d1e0d8b2cdd02e222a067555b722db7487d8228ac1`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15901 bytes

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