PDF malware analysis — malicious · 1f510753e4b0f524

MALICIOUS

PDF

4.9 KB

MD5: 322e8e92805def2c8ee4156642ffbb3e SHA-1: 69b4236951a7bb7d52c36b0a11d189255f3d224f SHA-256: 1f510753e4b0f524c1b4f71cd60cbfd0afb54955680863a6265610b44e1e5e79

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The presence of an 'unescape()' call within the JavaScript stream is a common technique for deobfuscating malicious code. The embedded 'exploit.swf' file and the extracted 'javascript_obj0017_000.js' further suggest that this document is designed to deliver and execute a secondary payload, likely a downloader or dropper.

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
`embedded_file_obj0014.bin` `89773f7e4a82d86febe529a1e448595eeb725fbf6af68e7a0ef95cef1734ef37`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D4	1499 bytes
`javascript_obj0017_000.js` `6c4c288717ee189d0486a6e20d81fed107bcca7186d05954b3bdc069be8b026f`	pdf-javascript-stream	PDF /JS object 17 at offset 0xB63	1659 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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