PDF malware analysis — malicious · 9d4d50e8d9a7ac5f

MALICIOUS

PDF

7.0 KB Authoring application: Sigevepipawobo (via bb0b2Gijixematwa)

MD5: 78a0a93384112ca07097281282c9d887 SHA-1: 80dcf34e0f73611f4a7c8b43c81b679eac39fc9f SHA-256: 9d4d50e8d9a7ac5f139ab41749b8dd2e3439ffeacad26f2ba708484e0e961f0d

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file was flagged by ClamAV for obfuscated JavaScript, indicating a malicious intent. The embedded JavaScript stream, named 'javascript_obj0011_000.js', is the primary indicator of malicious activity. The obfuscation suggests an attempt to evade detection and execute further malicious actions, likely involving the download or execution of a second-stage payload.

Heuristics 4

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.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0011_000.js` `44c0a61c015c116fd54a3a57268544777c1723396bff6033f97af518a9b12a94`	pdf-javascript-stream	PDF /JS object 11 at offset 0x141A	1772 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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