PDF malware analysis — malicious · 47ca99844118de8f

MALICIOUS

PDF

5.1 KB

MD5: 3e74d981d176c127c32747338ada108d SHA-1: c5eaee81bcf848d5fed4f6dc226385c7e82a66ba SHA-256: 47ca99844118de8ff989d85843b7567cc25817ed2bbf6bcf196619a8bce8becd

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The embedded 'javascript_obj0017_000.js' file and the 'exploit.swf' artifact are suspicious. The JavaScript uses an unescape() call, a common technique for obfuscating malicious code. The script likely downloads and executes a second-stage payload, contributing to the malicious verdict.

Heuristics 6

RichMedia (Flash) high PDF_RICHMEDIA

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

unescape() found — often used to decode shellcode in PDF JS exploits
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`exploit.swf` `f120021ba6b8eb4f30feccfcbb425d648b71e9ea2e28de6f0a0809d5b871c583`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D4	1646 bytes
`javascript_obj0017_000.js` `8bb72edfd76c83353fe8757b0a04c58de346ee2731911218acce0c3a0e651d4f`	pdf-javascript-stream	PDF /JS object 17 at offset 0xBF6	1697 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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