PDF malware analysis — malicious · 7e312c8276e45f63

MALICIOUS

PDF

7.0 KB Authoring application: Sigevepipawobo (via 2388aGijixematwa)

MD5: 7b579d5e016f94f92137aa0ba18b5cad SHA-1: 18b738a384066de66e6b7c5a3f7fb6854fe166c9 SHA-256: 7e312c8276e45f6306dd72b4c86326748276b59bb5cd36e9a514e345920a9f39

78 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 'Heuristics.PDF.ObfuscatedNameObject'. The embedded JavaScript stream, named 'javascript_obj0011_000.js', is the primary indicator of malicious activity. This script is likely designed to exploit a vulnerability within the PDF reader to execute arbitrary code, potentially leading to further system compromise.

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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