Based on the available evidence, "879 - PacksDeMorritas.net .rar" likely originated from one of the following:

Understanding the architecture, risks, and contexts surrounding compressed files from unauthorized sharing networks is critical for maintaining digital hygiene. Understanding the File Structure and Source

Distributing imagery without the explicit consent of the creator or subject breaches intellectual property laws and privacy regulations. In many jurisdictions, sharing or possessing non-consensual explicit imagery (frequently termed "revenge porn") is prosecuted as a serious criminal offense.