PDF malware analysis — malicious · 345c99642158fa85

MALICIOUS

PDF

51.2 KB

MD5: a4a183a3cefe9f9d1777ec48f524048f SHA-1: 60c56456ceb5bc68f6ae45cf21ee740bec370105 SHA-256: 345c99642158fa851a077aed14f595c094407417518897202bb94d0637b36547

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating it contains an exploit. The presence of an embedded script payload and XFA form suggests it is designed to leverage a PDF vulnerability to execute arbitrary code. The specific exploit and its payload are not fully detailed in the provided evidence, but the overall pattern points to a malicious PDF designed to deliver further malware.

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://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` `43f424e9a79d985646672d9ae745d1c3173117f675b7304add20ce15944d28ae`	pdf-embedded-script	PDF raw stream script payload at offset 0x240	51660 bytes

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