The file in question, part08.rar , represents a specific byte-range of the compressed installation data.
Downloading individual archive segments from unverified third-party "warez" blogs presents three primary vectors of risk: 3.1. Malware Injection download-crysis-warhead-apun-kagames-part08-rar
Multi-part RAR files utilize a linked header system. The extraction process cannot be completed if a single part—such as part 08—is missing or corrupted. The file in question, part08