SUSPICIOUS
56
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The PDF file exhibits multiple indicators of malicious intent, including embedded files and scripts, and is flagged with high confidence by an ML classifier. The presence of an embedded file suggests it may be a dropper or exploit delivery mechanism. While no specific script content is detailed, the overall structure and heuristics point towards an attempt to execute malicious code upon opening.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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 script payload in PDF stream low 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 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/xci/1.0/
- http://www.xfa.org/schema/xfa-template/2.4/
- http://www.xfa.org/schema/xfa-data/1.0/
- http://ns.adobe.com/xtd/
- http://www.xfa.org/schema/xfa-form/2.8/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_file_obj0098.bina5b3b07a375069ad36eba0adbcc3f8bc20fdae40965105fef8085721da656167 |
pdf-embedded-file | PDF EmbeddedFile object 98 at offset 0x3C | 1489 bytes |
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