PDF malware analysis — malicious · 394f382ece0bdca1

MALICIOUS

PDF

69.6 KB

MD5: 3e10d0227d650f661d73a22c072fbb05 SHA-1: 00cb8a37e77b72eb3893b85454529dceca1c3fca SHA-256: 394f382ece0bdca1f4097899a3844912e63ef07dcd15dfe8d0e24766d759229f

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection further confirms its malicious nature. The embedded JavaScript, named 'javascript_obj0012_000.js', is likely responsible for executing the exploit. An embedded URL, http://www.bitstream.com, was also found, which could be used to download additional payloads. The exact function of the JavaScript is unclear due to obfuscation, but it is highly probable that it exploits a vulnerability to achieve its malicious objective.

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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.bitstream.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `e33baaa2766029def4fb374dd34ba184335e758c50ee421dda7bcf9bb4648d2a`	pdf-javascript-stream	PDF /JS object 12 at offset 0x1060E	3601 bytes

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