PDF malware analysis — malicious · 2b30a84cacc524d7

MALICIOUS

PDF

28.7 KB

MD5: 9db9fa21b957515b22f50cef2aeb32e6 SHA-1: 4ce9fc02ba8516f50bb998f95534cc7a0fb3dfd2 SHA-256: 2b30a84cacc524d7d1eb3eea303e61c8725c541541df84387101be7040e3aaf6

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file exhibits multiple high-severity heuristic firings related to JavaScript and embedded rich media (Flash). The presence of an embedded JavaScript stream and a Flash object (waEUHOXaQoR.swf) strongly suggests an attempt to execute malicious code. The eval() call within the JavaScript is a common technique for obfuscating malicious actions, likely involving the execution of the embedded Flash content or further payload delivery.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`waEUHOXaQoR.swf` `767382813fc770c9716554c3266b22eee1636037ca964af05acf6ff66db4a27d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x7D6	26993 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `df59d6f3c2eff54d0c79b20f899eabe650d13de65764d38d2db2fdbb96008fbd`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF9	906 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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