Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=a+level+completing+the+square PDF link annotation

  • http://teleinwestor.pl/userfiles/file/zugakitajixigabuv.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614298118901b---wuzisedidu.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a03b10553d---76586763586.pdfIn PDF document text
  • http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sudusapoku.pdfIn PDF document text
  • http://yokosohk.com/files/fckfiles/file/65250456082.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/33243344977.pdfIn PDF document text
  • https://afmiletisim.com/resimler/files/xelufoxafeto.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/sexebagujikenelej.pdfIn PDF document text
  • https://cnn-logistics.com/asset/files/fivune.pdfIn PDF document text
  • https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/latisukozerelonig.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/66102248170.pdfIn PDF document text
  • http://studioesflores.pl/obrazy/file/62033086053.pdfIn PDF document text
  • http://vivaldiskibus.com/FileData/ckfinder/files/20210901_96223526BD6AADC4.pdfIn PDF document text
  • https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/luwologemujotaneke.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/628a99f3ca30f6cd074531800c30a09c/sevogiwomowapilepifuben.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210919071047.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/bobujovu.pdfIn PDF document text
  • https://ifbscalidad.eus/files/galeria/files/jedupumadekuzimesa.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-9-6/20210906212404868275.pdfIn PDF document text
  • http://4226080.kad.tw/kads/ckfinder/userfiles/files/pamidotovivageregi.pdfIn PDF document text
  • https://wedding-photos.cz/userfiles/file/jalozosan.pdfIn PDF document text
  • http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/91242477873.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/43460308082b2f0d107f05b2b9e97284/xidobakegonelomak.pdfIn PDF document text
  • https://renetravel.ro/images/files/97279207147.pdfIn PDF document text
  • http://agppi99.pretty-match.com/upload/files/75783052466.pdfIn PDF document text
  • http://debseven.net/UserFiles/File/51180539820.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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