(If you want I can: 1) search Adobe release notes and security bulletins for January 2018 and list matching official versions, or 2) examine URLs or file hashes you have and check them against VirusTotal.)
In legitimate software maintenance, a “patch” is a small piece of code released by Adobe to: adobe acrobat pro dc 201801120038 patch updated
For users still operating on this version or needing to verify their installation, the update can be managed through the following steps: Adobe Acrobat and Reader - July 2022 updates are Live!! (If you want I can: 1) search Adobe