PDF malware analysis — malicious · 07c46dafce43d664

MALICIOUS

PDF

97.1 KB

MD5: cea218976125ee77d23df32e920c156a SHA-1: 99240f34088f3842f353049965299da8d3f78b5a SHA-256: 07c46dafce43d6646f4289689da5f005fc9f3c8aaf5959e3bbc6ec861de317b4

108 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF utilizes XFA (XML Forms Architecture) and contains an embedded JavaScript payload. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded script, though obfuscated, appears designed to download and execute further malicious content, consistent with a multi-stage attack. The benign URLs found are likely unrelated to the malicious functionality.

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_0000026c.bin` `22d8ded39fec2f3ac175c8ea8144913da358a1e4faf058f59b68e2fe08c5510c`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98659 bytes

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