: The paper "Exploring tools of anonymity (mis)used by carders" specifically examines free tutorials from similar archives to identify the software (VPNs, SOCKS5 proxies) carders use to hide their location.
: The study "All Your Cards Are Belong To Us: Understanding Online Carding Forums" provides a comprehensive look at the infrastructure of forums where these ZIP files are shared. Carding_PDFs_By_NARDOS_[Craxpro.io].7z
: Cracking the Code: Unveiling Carding Crime uses these manuals to map out the "business model" of credit card fraud, including revenue streams and value propositions for the criminals involved. : The paper "Exploring tools of anonymity (mis)used