Update README.md

README.md

@@ -7,6 +7,8 @@ Collection of reports on Influence Operation campaigns.
 
 * Apr 26 - [[Australian Strategic Policy Institute] Gaming Public Opinion: The CCP’s increasingly sophisticated cyber-enabled influence operations](https://ad-aspi.s3.ap-southeast-2.amazonaws.com/2023-04/Gaming%20public%20opinion.pdf)
 
+* Apr 19 - [[How Bots Spread a Viral Disinformation Video Prior to the 2022 Brazilian Presidential Election](https://6068438.fs1.hubspotusercontent-na1.net/hubfs/6068438/brazlilian-election-disinformation-campaign-2022.pdf)
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 * Feb 27 - [[Cardiff University] The Ghostwriter Campaign](https://www.cardiff.ac.uk/__data/assets/pdf_file/0005/2699483/Ghostwriter-Report-Final.pdf)
 
 * Feb 23 - [[Graphika] Deepfake It Till You Make It - Pro-Chinese Actors Promote AI-Generated Video Footage of Fictitious People in Online Influence Operation](https://public-assets.graphika.com/reports/graphika-report-deepfake-it-till-you-make-it.pdf)