MALICIOUS
68
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF contains an embedded file (embedded_file_obj0004.bin) and an embedded script payload, as indicated by the PDF_EMBEDDED and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. The ML classifier strongly flagged this PDF as malicious. The document body text appears to be garbled or truncated, providing no clear user-facing lure, but the presence of the embedded file and script strongly suggests an attempt to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_file_obj0004.bind72374a1df227edf2ab8931e45eb679e88b32da6e476310c1dd053bc478afcc8 |
pdf-embedded-file | PDF EmbeddedFile object 4 at offset 0xA8E | 5923 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 long base64-like blob(s).
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