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 contains embedded script content, indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. The ML classifier also flagged this PDF as malicious with a high probability. While the document body is unreadable, the presence of embedded scripts suggests an attempt to execute malicious code, likely for downloading a second-stage payload. The XFA form structure further supports the possibility of script execution within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9799
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.bin1e14f99a9a744e5e30090a7e010700e8a03f7d6ef3764f88a38bc87ff94acab6 |
pdf-embedded-script | PDF decompressed stream script payload at offset 0x2DC | 14232 bytes |
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