MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Dropper.Agent-7317264-0' and an ML classifier indicating maliciousness with high confidence. An embedded script payload was also detected, suggesting the PDF's primary function is to download and execute a secondary stage. The presence of an embedded file further supports this dropper functionality.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Dropper.Agent-7317264-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-7317264-0
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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_obj0029.bin753481138a1815c2ce6ad33f11523ae8f86743229f0967138c25b8b57c3a0143 |
pdf-embedded-file | PDF EmbeddedFile object 29 at offset 0x5C | 24936 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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