Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://infrive.ru/uplcv?utm_term=justice+league+throne+of+atlantis+free+download PDF link annotation

  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323b06051a6---70465305643.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/tikifukimumofi.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/20377982999.pdfIn PDF document text
  • https://autohausnschmidt.de/userfiles/file/9787227576.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/58135440873.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1b20da2e5---95252198942.pdfIn PDF document text
  • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/36220060292.pdfIn PDF document text
  • https://cape-electronics.com/media/file/88063104840.pdfIn PDF document text
  • http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/sesewusupivudo.pdfIn PDF document text
  • http://skyrybupaslaugos.lt/uploads/files/5818770830.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/ligeduxoweladivigataf.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/26538806464.pdfIn PDF document text
  • http://huynhgiabaohotel.com/uploads/FCK/file/rixujekenedadaxutaf.pdfIn PDF document text
  • http://kronospan-mofa-hungary.hu/editor_up/gifolidevi.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/7d57206f8b6357fff5ee8728d2a443c9/94130181019.pdfIn PDF document text
  • https://sbsoftware.ro/admin/userfiles/file/miborukivowo.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/vixirazuzifefuv.pdfIn PDF document text
  • https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/jezobip.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/4fbnsv497sr7f30emm1o9tkoiq/rejamunodumexasaju.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/dde834284dd76033c5fed7bc2879bd09/50359311197.pdfIn PDF document text
  • http://yuli-china.ru/d/files/kevaxaku.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/1222024950.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/92613136416.pdfIn PDF document text
  • http://imobilestore.de/userfiles/file/24559818887.pdfIn PDF document text
  • https://parkettworld.com/upload/files/pimasesujikenutubadova.pdfIn PDF document text
  • https://shindah.com/images/ckeditor_img/files/60546329603.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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