{"id":19859,"date":"2026-04-09T11:15:00","date_gmt":"2026-04-09T11:15:00","guid":{"rendered":"https:\/\/sekuritasit.com\/index.php\/2026\/04\/09\/adobe-reader-zero-day-exploited-via-malicious-pdfs-since-december-2025-infothehackernews-com-the-hacker-news\/"},"modified":"2026-04-09T11:15:00","modified_gmt":"2026-04-09T11:15:00","slug":"adobe-reader-zero-day-exploited-via-malicious-pdfs-since-december-2025-infothehackernews-com-the-hacker-news","status":"publish","type":"post","link":"https:\/\/sekuritasit.com\/index.php\/2026\/04\/09\/adobe-reader-zero-day-exploited-via-malicious-pdfs-since-december-2025-infothehackernews-com-the-hacker-news\/","title":{"rendered":"Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025 info@thehackernews.com (The Hacker News)"},"content":{"rendered":"<p>Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December\u00a02025.<br \/>\nThe finding, detailed by EXPMON&#8217;s Haifei Li, has\u00a0been described as a highly-sophisticated PDF exploit.\u00a0The artifact (&#8220;Invoice540.pdf&#8221;) first appeared on the VirusTotal platform on November 28, 2025.\u00a0A second\u00a0<a href=\"https:\/\/thehackernews.com\/2026\/04\/adobe-reader-zero-day-exploited-via.html\" target=\"_blank\" class=\"feedzy-rss-link-icon\">Read More<\/a>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December\u00a02025. The finding, detailed by EXPMON&#8217;s Haifei Li, has\u00a0been described as a highly-sophisticated PDF exploit.\u00a0The artifact (&#8220;Invoice540.pdf&#8221;) first appeared on the VirusTotal platform on November 28, 2025.\u00a0A second\u00a0Read More\u00a0<\/p>\n","protected":false},"author":1,"featured_media":19860,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts\/19859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/comments?post=19859"}],"version-history":[{"count":0,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts\/19859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/media\/19860"}],"wp:attachment":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/media?parent=19859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/categories?post=19859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/tags?post=19859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}