Assuming you have obtained a legitimate copy, here is the structural breakdown. The book is divided into three major sections plus mock exams.

The N1 listening includes:

: Use the answer key to identify which section (Grammar, Reading, or Listening) is your weakest and allocate more time there. Beyond Workbooks

No PDF alone will pass the test for you.

The N1 book does not hold your hand. It throws you into authentic, complex materials. The listening section uses natural speed and university lecture patterns. The reading section includes rondan (論壇 / forum essays) that are 90% kanji.