How can an SEO spamming score go down?

1.Disavow bad backlink
2. Make useful content
3. Avoid using article spinner
4. Keyword Density

By removing low quality pages like duplicate content pages

1. Low number of pages found Our crawlers discovered only a small number of pages on this domain. This is not an inherent problem, but many spam sites have small numbers of pages, hence the correlation.

You can lower your spam score by disabov spam backlinks of your website, get high quality backlinks for your website.

Unsolicited
Invisible headers
Poor grammar and spelling
Asking for suspicious actions or information
Bulk sending (more than 10 recipients)
Anonymous sender
Spammy subject line
Bright email body with lots of pictures, colors, and fonts
Multiple links
Irrelevant or suspicious attachments

do SEO audit and backlink audit to your website. then filter all those backlinks which have high spam score then send a link removal request to site admin. asap the link removed your site spam score go down

Backlinks, Structure of website, Some css and Java script removal will help you to go down Spam score..

Do manual SEO and trying to get quality links from higher DA websites.

Here are some quick wins to lower your spam score
Create a text version. ...
Avoid usage of spam sensitive words and phrases. ...
Use normal text inside hyperlinks, instead of the URL. ...
Use a proper from address.
Use a proper subject line.
Avoid HTML errors, unsupported techniques, obscure content, obfuscation.
Images.
HTML.

do SEO audit and backlink audit to your website. then filter all those backlinks which have high spam score then send a link removal request to site admin. asap the link removed your site spam score go down.

Do manual SEO and trying to get quality links from higher DA websites.

Create links from higher authority website and stop Building spammy backlinks.

Use Manual Link Building

Do manual SEO and try to get quality links from higher DA websites and submit a link removal request to the webmaster to low down your spam score.