PDF malware analysis — malicious · 07e1c2b14c6ed684

MALICIOUS

PDF

12.8 KB

MD5: b26dcddf4a4fff80614116d126b131bd SHA-1: 30d9bdd2b04b0d0e80f9a9b544c862ac525c80b4 SHA-256: 07e1c2b14c6ed68461ccd50837249bf416ba09ccc1f7de511a7e8bba4605c871

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 within an XFA form, a common technique for exploiting PDF vulnerabilities. The embedded script is heavily obfuscated but appears to be designed to download and execute a secondary payload. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of an embedded URL, though benign, is noted.

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://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` `5a23d713bf0db0d2d8ecf32acadb1cba0a23b15227991f95d5d9ef044e3e4e71`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12340 bytes

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