Downloading and opening archives like the one in your query from unverified sources (e.g., Craxpro.io ) carries a high risk of malware infection . Cybercriminals often embed remote access trojans (RATs) or stealers within "tutorial" packages to compromise the computers of those attempting to use them. Discovering credit card fraud methods in online tutorials
While the file itself is part of illicit underground activity, academic and cybersecurity researchers have published analyzing these types of "carding guides" to understand criminal techniques and the dark web economy: Carding_PDFs_By_NARDOS_[Craxpro.io].7z
: Researchers in the paper (PDF) Discovering credit card fraud methods in online tutorials analyze how these guides are written for beginners to teach basic steps of fraudulent transactions and operational security. Downloading and opening archives like the one in