PDF malware analysis — malicious · b6d02e09e4c83d54

MALICIOUS

PDF

6.3 KB

MD5: 460734bf19a34f0a5f0ccefc60ec6a00 SHA-1: 2d4dd03190a4aeea0d65e2e7cc8a1a9f792ad51d SHA-256: b6d02e09e4c83d545e27520161fc41034984b043bb43632ecd3e789911838979

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

The PDF contains embedded JavaScript and a Flash object, indicating an attempt to exploit vulnerabilities. The high-confidence heuristics for PDF_JAVASCRIPT, PDF_JS, PDF_RICHMEDIA, and PDF_EVAL, along with the presence of embedded JavaScript files, strongly suggest that the document is designed to execute malicious code. The eval() call within the JavaScript stream is particularly concerning, as it is often used to deobfuscate and execute further malicious commands, likely leading to the download of a second-stage payload.

Heuristics 6

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`exploit.swf` `7295b8725a91fd64683611c1d5f2469845ebdec112e9dabb182aefba62dd4d62`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x48C	3764 bytes
`javascript_obj0017_000.js` `7de29db79dcd52398753093a18d491cd08457303cba28c9cf4f700a7a7570a3e`	pdf-javascript-stream	PDF /JS object 17 at offset 0x13F4	877 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`javascript_obj0017_001.js` `f7e85fb2a2a282a721d45b313211eba2df789238f1c42c1f8c805b8d2e840725`	pdf-javascript-stream	PDF /JS object 17 at offset 0x13F4	35 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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