Look for redirects or rewrite rules involving pagination strings. Remove any that point to unknown domains.
Hiwebxseries.com functions as a directory for streaming and downloading various web series, requiring navigation tools like pagination parameters (e.g., page 9 of 49 hiwebxseriescom link
If you can provide more context (e.g., where you saw this string, what product or topic it relates to), I can offer a more targeted investigation. Look for redirects or rewrite rules involving pagination