MALICIOUS
118
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 JavaScript/Shell Script Execution: JavaScript
T1566.001 Phishing: Spearphishing Attachment
The PDF file contains obfuscated JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT, PDF_JS, and PDF_UNESCAPE. The embedded JavaScript file, javascript_obj0006_000.js, is likely responsible for executing malicious actions. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further confirms the malicious nature of the file, suggesting it's designed to evade detection through obfuscation techniques.
Heuristics 5
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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unescape() call high PDF_UNESCAPEunescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 |
|---|---|---|---|
javascript_obj0006_000.js56baf4e54772052ce6abebab8b013a49bd63543684c958069ae3ed825c4eb8a9 |
pdf-javascript-stream | PDF /JS object 6 at offset 0x1BC | 1693 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 2 eval/decoder/string-building token(s).
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