I'm pretty puzzled by this, so any direction would be helpful.The only thing hosted on this server is basically two word press instances with my personal site and another. Everything's been great, but then I got an email letting me know that there are a bunch of new 404's.The URLs look like spam pages, and I'm 100% sure that they don't exist in my WordPress instance.It appears to me that some spam site has just decided to link to a bunch of nonexistent pages on my site. Is this a reasonable assumption? Should I bother to look at this any further?The list looks like this:blog-forex/1182-Gielisch+Gcm+Forex-cb.html40411/2/162blog-forex/6691-Exchange+Rates+Of+The+Market+Forex+Nigeria+Today-52.html40411/2/163blog-forex/4918-%D8%A8%D9%88%D8%B1%D8%B5%D8%A9+%D9%88%D8%B8%D8%A7%D8%A6%D9%81+%D9%81%D9%8A+%D8%A7%D9%84%D9%8A%D9%85%D9%86-2b.html40411/2/164blog-forex/13789-One+Hour+Binary+Options+Strategy+Explanation-f.html40411/2/165blog-forex/14381-Breve+Historia+De+La+Bolsa+De+Valores+De+Caracas,+Venezuela-d2.html40411/1/166blog-forex/1611-Trade+In+The+Market+Forex+Lessons-fc.html40411/2/167blog-forex/13522-Vegas+Wave+Strategy+Based+On+Elliott+Indicator+Forex-4f.html40411/2/168blog-forex/5882-Forex+Currency+Converter+Togo-53.html40411/2/169blog-forex/10196-Forex+Beer+Ads+1950'S-c0.html40411/1/1610blog-forex/1505-Meilleures+Forex+Sites+De+N%C3%A9gociation+En+C%C3%B4te+D'Ivoire-89.html40411/1/1611blog-forex/12785-L%C3%A1ska+Zar%C3%A1baj%C3%BA+V+Forex+Obchodovanie+Na+Slovenskom-78.html40411/2/1612blog-forex/10776-Kotaksecurities+Online+Trading+Account-16.html40411/2/1613blog-forex/4805-Ko%C4%BEko+Burzov%C3%A9+Trhy,+Na+Slovenskom-8a.html40411/1/1614blog-forex/13566-Statistiky+Kde,+Jak+Vyd%C4%9Blat+Pen%C3%ADze+Online+V+%C4%8Cesk%C3%A9+Republice-aa.html40411/1/1615blog-forex/14432-Mercados+Stock+Exchange,+Em+Portugal-7b.html40411/1/1616blog-forex/5036-%E0%A6%AC%E0%A6%BE%E0%A6%82%E0%A6%B2%E0%A6%BE%E0%A6%A6%E0%A7%87%E0%A6%B6%E0%A7%87+%E0%A6%85%E0%A6%A8%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%A8%E0%A7%87+%E0%A6%85%E0%A6%B0%E0%A7%8D%E0%A6%A5+%E0%A6%B9%E0%A7%8B%E0%A6%AE+%E0%A6%AB%E0%A7%8D%E0%A6%B0%E0%A6%BF-b.40411/2/16
Google notified me that I have a sudden spike in 404's, but they are pages that don't exist
404;spam;crawl errors
Check the search console - it will show which pages are linking to these 404 pages. If these links are all external than there is probably nothing to worry about - just hacked sites linking to your domain. It could be that somebody tried to hack your site as well but did not succeedIf part of the links are coming from pages on your site, you site was probably hacked.To be on the save side - change all passwords (cms/server) and check if you are using the most recent version of all the plugins you are using - if not update them.You might want to check these resources as wellMy site has been hacked andGoogle help for hacked sites