It appears that the message you provided is a link to a file that has been encrypted using a technique called "cryptojacking." Cryptojacking is a type of cyber attack where a malicious actor secretly installs cryptocurrency mining software on a victim's device, without their knowledge or consent, in order to use their computer resources to mine cryptocurrency. The link appears to be a .pwn file, which is a type of file used in penetration testing to demonstrate how an attacker could gain access to a system or network.