Because the original poem is highly concise, students almost always study it alongside a commentary. When searching for a PDF, you might find these popular versions:
Alfiyah Ibnu Malik is one of the most celebrated and authoritative texts in the study of Arabic grammar (Nahwu) and morphology (Shorof). Written by the 13th-century Andalusian scholar Imam Muhammad bin Abdullah bin Malik al-Thayi kitab alfiyah ibnu malikpdf free