PDF malware analysis — malicious · 5ae143002bc913b6

MALICIOUS

PDF

7.2 KB

MD5: 17f5751b266cfffd698cb4aa27fe2317 SHA-1: 77d299a85d93201e54a29576d197e6169c74aaf7 SHA-256: 5ae143002bc913b6b52ffad98ce5dfcdc1eb0454c944b2374fad1a300d13739d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file contains embedded JavaScript and a Flash object, both of which are flagged as suspicious. The JavaScript appears to be obfuscated and is designed to execute the embedded Flash exploit. The ML classifier strongly indicates maliciousness, suggesting the primary goal is to exploit a client vulnerability.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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` `49b04eca9be01c285a55c8ebf6d33b686ebd88925f5f524951dc74928b300173`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x48C	3764 bytes
`javascript_obj0017_000.js` `caddadbdd829e2e88f26a957b839b61b7e9200708ff477d3a94cbfea2ec48791`	pdf-javascript-stream	PDF /JS object 17 at offset 0x13F4	113 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`javascript_obj0017_001.js` `7e219adcb47b4d4625733e71f477581b6000501c13149755274ffb3d3c014bf9`	pdf-javascript-stream	PDF /JS object 17 at offset 0x13F4	57 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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