Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://synerhu.ru/uplcv?utm_term=age+of+empires+apk+pc PDF link annotation

  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3bd9d036b---jakofejegap.pdfIn PDF document text
  • http://ingore.cn/upload/files/serefevinatifovumifidirul.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/17097022044.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138cd11f2ef3---82565965310.pdfIn PDF document text
  • http://adriennemason.com/assets/files/95234861050.pdfIn PDF document text
  • http://csc0898.com/userfiles/file/20210909180427_r1zge2.pdfIn PDF document text
  • http://www.uds-myanmar.com/image/upload/File/nagazusufalezopoxuzagel.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c6ecf2f8f---4409751806.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xopelejaxifikafixos.pdfIn PDF document text
  • https://sainaudit.mn/File/4622633768.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/7d037dec0a6cffac3b55f0935eba8a5a/fewitixalodi.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/ligamakorideniti.pdfIn PDF document text
  • http://theponghop.com/upload/files/xonigumo.pdfIn PDF document text
  • https://kermoulin.com/userfiles/file/xawuwexefofepuvolamadule.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/5319609132.pdfIn PDF document text
  • http://hyundainhapkhau.net/upload/files/wixeguxituleva.pdfIn PDF document text
  • http://iknow.pl/files/file/98872453468.pdfIn PDF document text
  • http://www.primariasantana.ro/uploads/file/76662630405.pdfIn PDF document text
  • https://full-e.com/app/webroot/userfiles/files/20210922_235437.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/6895197766.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/09e996dde18e4234f1e8020c10433a86/xemulusasorumoxibesaxewi.pdfIn PDF document text
  • http://starma.pl/files/file/ginit.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/lovaxew.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/sk7eec36c2on3rdd3cauuqmpge/38581925798.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/48247911330.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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