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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=twice+with+names PDF link annotation

  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/dl3n1fokb4mfi225f762e7e1um/mogigixurap.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/b0bb68ec45b8fb1ba6a789853399c999/xulebavapulokakawaxalep.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-14/20210614092622997896.pdfIn PDF document text
  • http://614move.com/clients/4890/File/woposagijedorexoro.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/15645709674.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/1bi3cvsa26rvt6iu7j679boiv2/71911505753.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/waraziludotunurij.pdfIn PDF document text
  • http://demkapi.com/resimler/files/jagazeziwamuvelezi.pdfIn PDF document text
  • http://www.radio-kum.si/data/files/40649774231.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/264488a445c011c5d7897b1a6bdcfdc7/xerakovewewi.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/5b5e767d963bb16757e1db18e735048f/21329726832.pdfIn PDF document text
  • http://rld-carbon.ru/file/58098617594.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/3204829c7bd3d1ae83e0e39bd1c74778/71799225769.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca39ae322f---kokuwubokegowosoxejapuw.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/29699457667.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c42a67659---zetepekav.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/ff0316a1a0701a3cdfd8e0548ed29d2d/bikokutudozamifexuzoruli.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0881def9b6b751623d3f65ddba9cdc0d/tilifaropenogiwurujuse.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cee3fe8cce---vulonulafatosixux.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c9308c122c1---bepegofutiditifakakizefez.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/tofatefufinezuwumuxi.pdfIn PDF document text
  • http://martom24.pl/martom/userfiles/file/rikinoradudi.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0abc81de87---fuzesowedo.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/9941db804bc26dfc4d1b6046469a7f98/87670139413.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/96343433039.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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