PDF malware analysis — malicious · ec80fc5a2d6b5af5

MALICIOUS

PDF

7.5 KB Authoring application: Jgaxivakafowizasi (via 284a4Uohosicilab)

MD5: 740000d95149ed1467a80043f0180f38 SHA-1: 3c872a157ecb7a8add06ec517c72ba2a018941c1 SHA-256: ec80fc5a2d6b5af5b5a14b267d302748eac7d00fb4a50278863211994b1377f2

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing obfuscated JavaScript, as indicated by multiple heuristic firings including ClamAV's detection of an obfuscated name object. The embedded JavaScript stream is the primary mechanism for exploitation. While the exact payload is not discernible due to obfuscation, the presence of JavaScript actions within a PDF strongly suggests an attempt to download and execute a secondary-stage payload or exploit a vulnerability.

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0011_000.js` `c35f939b8b08b4458e4f2307d4bfd0afc23546c955e11c1da88e87302e40c9b0`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1358	3029 bytes

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