MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File
T1566.002 Phishing: Spearphishing Attachment
The PDF document was flagged as malicious by an ML classifier with high confidence. Heuristics indicate the presence of an embedded script payload and XFA form, suggesting an attempt to execute malicious code. While no specific script content was provided for analysis, the embedded script marker and ML classification strongly suggest the PDF is designed to deliver a secondary payload or exploit a vulnerability. The embedded URLs are likely related to the XFA form structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 4
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Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOADPDF 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.
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Embedded file low PDF_EMBEDDEDPDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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Embedded URL info EMBEDDED_URLOne 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/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_pdf_script_000002dc.bin2ab68aee269a390e42c368b1232d6efc1fed7348da00fcdb4bae242e6442b2b5 |
pdf-embedded-script | PDF decompressed stream script payload at offset 0x2DC | 21350 bytes |
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