Because this is a public domain text (the original 19th-century French editions are copyright-free), legitimate versions do exist. However, they are often filtered through reliable archives rather than dark web forums.
Traditional occultists warn that simply opening the PDF without proper protection (a circle of chalk, a holy medal, or a recited prayer of reversal) invites malevolent attention. Stories abound of modern seekers who downloaded a digital copy and subsequently suffered nightmares, electronic poltergeist activity, or unexplained misfortunes. el gran grimorio pdf