MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
This PDF file was flagged as malicious by multiple engines, including ClamAV which identified it as 'Pdf.Exploit.Dropped-156969-1'. Static analysis revealed an embedded script payload and an embedded file, indicating a likely exploit delivery mechanism. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text, but the primary threat appears to be the embedded exploit and payload.
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_obj0008.bin4d613f22dcf8fad2c1e958117b23238614d28110a5d6ec1417ffc749f2450485 |
pdf-embedded-file | PDF EmbeddedFile object 8 at offset 0xBAF | 7163 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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