PDF malware analysis — malicious · 72f4f7dc3624fe51

MALICIOUS

PDF

100.7 KB

MD5: 0084e15b121fb0c0684333f6ea8cb20a SHA-1: 55b7879f58fc175c651f29b65aded18d07c6ffc7 SHA-256: 72f4f7dc3624fe51cd0fb63aca902ce0fc7d8b212bdc0538b96472fac9c2168d

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, identified by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic and confirmed by ClamAV detection as 'Pdf.Exploit.Agent-6136306-0'. The script is heavily obfuscated but appears to be designed to download and execute a secondary payload. The presence of XFA form elements further suggests a potential exploit vector.

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
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_00000246.bin` `21875c437e931ac36e9450f38ad37fbab1079f8b919ef3beac15f285469dc374`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	102372 bytes

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