MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The file is identified as malicious by ML classifiers and ClamAV, specifically as Pdf.Exploit.Dropped-156969-1. Static analysis detected an embedded script payload within a PDF stream, which is a common technique for delivering exploits. This embedded script is likely responsible for downloading and executing a secondary malicious payload, as indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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ClamAV: Pdf.Exploit.Dropped-156969-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Dropped-156969-1
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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_obj0010.bin69120f355ed6e1c4bd9648f2951d1165f2f136bcc1819f84216bbbed5d3b17e9 |
pdf-embedded-file | PDF EmbeddedFile object 10 at offset 0xC8A | 6998 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 4 long base64-like blob(s).
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