: Check for comments or hidden metadata using exiftool .
: Check if the RAR file itself has data appended to the end (using binwalk ). Download Xroniki Gord3Kn rar
"Xroniki" is often used in medical contexts (meaning "chronic"), and while "CTF" appears in related research, it typically refers to rather than Capture The Flag in those instances. : Check for comments or hidden metadata using exiftool
