Psychologically, yes. The power of suggestion is immense. If you download a demonologia pdf expecting a demon to climb out of your screen, your subconscious mind may produce auditory hallucinations, nightmares, and paranoia (a phenomenon called demonological psychosis ).
Most versions of the demonologia pdf are viewed as "neutral." A grimoire is just a book. It has no power unless you power it with intent and ritual action. Opening the file on your phone will not curse you. However, following the instructions in the PDF without grounding or banishing experience can lead to spiritual disturbance. demonologia pdf
Research papers, such as those from Sapienza University of Rome Psychologically, yes