A PDF without audio is worthless for listening practice. Legitimate collections include a download link (Google Drive or Dropbox) with MP3s.
While full third-party books like the "15 Übungsprüfungen" are typically paid products, the provides high-quality official materials for free online: goethe zertifikat b1 neu 15 ubungsprufungen pdf free
The Goethe Zertifikat B1 is a German language proficiency exam that assesses your language skills at the B1 level, according to the Common European Framework of Reference for Languages (CEFR). The exam is designed for individuals who want to demonstrate their ability to communicate in German in everyday situations. The test consists of four parts: A PDF without audio is worthless for listening practice
Search for "B1 Hören" to find the audio files for these 15 exams. The exam is designed for individuals who want
: The Goethe-Institut offers official sets of practice exercises for both adults and young people. These include: