The intent of this document is to help penetration testers and students identify and test LFI vulnerabilities on future penetration testing engagements by consolidating research for local file inclusion LFI penetration testing techniques. LFI vulnerabilities are typically discovered during web app penetration testing using the techniques contained within this document. Additionally, some of the techniques mentioned in this paper are also commonly used in CTF style competitions.
You can download it from the following link: https://packetstormsecurity.com/files/download/140388/lfi-testing.pdf
Source: https://packetstormsecurity.com/files/140388/Local-File-Inclusion-LFI-Testing-Techniques.html