MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file contains embedded script content, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD and PDF_XFA_SCRIPT heuristics. The ML classifier also strongly suggests maliciousness. The embedded file 'embedded_file_obj0001.bin' is likely the payload. The XFA form and embedded script suggest an attack pattern aimed at exploiting PDF vulnerabilities to execute arbitrary code.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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XFA form contains risky executable script high PDF_XFA_SCRIPTPDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
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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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_file_obj0001.bincccea643668882053a01de849ee1b04733dca04085529029b6edb5d799c61d7f |
pdf-embedded-file | PDF EmbeddedFile object 1 at offset 0x53 | 2937 bytes |
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