MALICIOUS
110
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
The ML classifier strongly indicates maliciousness in this PDF file. The document body contains generic text and an embedded URL, suggesting a phishing or social engineering attempt. The primary attack pattern involves enticing the user to interact with the embedded link, likely leading to a malicious download or redirect. No scripts were extracted, limiting further analysis of the payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 | 7393 bytes |
SHA-256: a53575c3d35e4287ea14ebfc51ff3fba2528b1b12592dfb85ee251dc8c655ba8 |
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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 7.44, consistent with packed or encrypted content.
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