To be fair the linked paper links to both MFA and Phishing along with links to almost every topic it touches.

https://nvlpubs.nist.gov/nistpubs/CSWP/NIST.CSWP.50.pdf

https://www.cisa.gov/sites/default/files/publications/fact-s...

https://www.cisa.gov/sites/default/files/publications/MFA-Fa...