I notice the phrase you’ve shared looks like a mix of a possible file name, a download command, and the phrase “extra quality,” which is commonly used on pirate/release sites (like Scene or P2P groups) to indicate a higher-quality rip or encode.
Files with such obfuscated, non-standard names are common vectors for: jinstallvmx141r48domesticimg download extra quality
For those unable to find this specific EOL image through official channels, it is recommended to transition to newer versions like 15.1 or later, which are more readily available for download on the Juniper Software Downloads page. I notice the phrase you’ve shared looks like
The vMX is a carrier-grade virtual router that mirrors the performance and features of the physical Juniper MX series. Version 14.1R4.8 is a legacy but stable release often used in legacy virtual labs (like GNS3 or EVE-NG) because it requires fewer resources than the more modern 20.x or 21.x versions. Version 14