A "complete" file is almost certainly a summary or a table of contents. Authentic PDFs are always split by Purana, and often by Samhita or Kanda (section).
Tradition dictates that there are 18 Mahapuranas (Great Puranas) and 18 Upapuranas (Minor Puranas). The 18 Mahapuranas are divided into three categories based on the deity they primarily eulogize: (Vishnu-oriented), Rajasa (Brahma-oriented), and Tamasa (Shiva-oriented). 18 puranas in sanskrit pdf
The word "Purana" literally means "ancient" or "old." Traditionally, the Puranas are defined by five specific characteristics, known as the Pancha-Lakshana : A "complete" file is almost certainly a summary
A Mahapurana is traditionally said to possess five characteristics ( Pancha Lakshana ): 18 puranas in sanskrit pdf
The 18 major texts are often categorized by the deity they primarily exalt: