PDF malware analysis — malicious · 01642d68ad570108

MALICIOUS

PDF

12.8 KB

MD5: bacc3b24a3fa073be00eaa7191049464 SHA-1: 100e5c97b7ec9125787e0a4e68132c7ddcb013f9 SHA-256: 01642d68ad570108cfd8ebb3ceac60dff27b341a4489d76d13d8bf100bbaa7a8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains an embedded JavaScript payload within an XFA form, a known technique for exploiting PDF vulnerabilities. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded script likely attempts to download and execute a second-stage payload, as suggested by the heuristic 'PDF_EMBEDDED_SCRIPT_PAYLOAD'.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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` `2605d8e1fd687f2ca2e7ae7eb6a9434e22a904f9df28b933cbe50bf8a64c94a0`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12326 bytes

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