Short answer: No, stop searching for the illegal Aula Internacional 2 Plus PDF.
Long answer: The digital license from Campus Difusión is superior to any scanned PDF. Scanned PDFs are blurry, lack audio, and are often missing pages 45–50. Furthermore, you cannot copy-paste text from a scanned image into a translator. Aula Internacional 2 Plus Pdf
If you truly have zero budget:
If you have a small budget ($15–$25): Buy the Campus Difusión digital license for 6 months. That is the price of two coffees. It gives you a legal, interactive, audio-rich experience that a static PDF cannot match. Short answer: No, stop searching for the illegal
If you want a legal, safe, and high-quality Aula Internacional 2 Plus PDF (or digital license), you have several options. The good news is that the publisher has shifted toward a mixed model. If you have a small budget ($15–$25): Buy
Many online Spanish bookstores (like Librería Internacional or FNAC) sell the eBook version. This is the closest thing to a legal PDF. You get a DRM-protected file (usually watermarked with your name) and a download link for the audio MP3s.
At the end of each unit, there is a visual summary of the grammar.