MALICIOUS
110
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
The ML classifier strongly indicates this PDF is malicious, likely exploiting a vulnerability. The document body contains obfuscated data rather than user-facing content, further suggesting a malicious intent. No specific family could be identified.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 2
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VBScript-style decimal byte array decodes to a PE payload critical PDF_VBS_DECIMAL_ARRAY_PE_PAYLOADPDF comment text contains a VB/VBScript-style decimal byte array, such as c(077),c(090), that decodes to a verified Windows PE executable. The rule is gated on a comment-line Array(c(...)) assignment and a valid MZ/PE header to keep false positives low.
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Suspicious extracted artifact medium 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 |
|---|---|---|---|
decimal_array_pdf_pe_00000229.exe |
embedded-pe | PDF raw comment decimal-array PE payload at offset 0x229 | 33924 bytes |
SHA-256: c86f8f53ce714525778966de4bce94fd7a29606cd37f9daea155e068e8ea03ca |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
actual_type=PE; declared_or_context_type=PDF; filename=decimal_array_pdf_pe_00000229.exe; kind=embedded-pe Carved artifact entropy is 7.84, consistent with packed or encrypted content.
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