While the mod itself is legitimate, files named "lucky_block.rar" from unofficial sources pose significant cybersecurity risks:

.jar (Mod file) or .rar / .zip (Archive for add-ons/installers) High if downloaded from third-party or unofficial websites Lucky Block Wiki | Fandom

: Unlike .jar files which are placed directly in the mods folder, a .rar file must usually be extracted using software like WinRAR or 7-Zip.

A .rar file is a compressed archive similar to a .zip file. In the context of Minecraft mods:

: To ensure safety, the mod should only be downloaded from official repositories like the Lucky Block CurseForge page . Technical Context of the .RAR Format

: Attackers frequently hide malicious scripts or executables (like Trojans, miners, or ClipBankers) inside compressed archives that appear to be popular game mods.

: Users can craft a standard Lucky Block using eight gold ingots and a dispenser.

: Reports indicate that modified versions of Minecraft often contain "droppers" that install banking Trojans or adware.