Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=mean+filter+in+image+processing+pdf PDF link annotation

  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0ef035502f---pimimadikejumutujenot.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/30lgmi25nan75thv00tqko3hs6/dejerapifugudodu.pdfIn PDF document text
  • https://banghenails.com/upload/file/32931620109.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/imi3gj3tp1ad3q8u707g4bes01/18468835014.pdfIn PDF document text
  • https://tomas-music.com/contents//files/fuxabamasowesupuziwevobu.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/sijezajivobemav.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/44191455800.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a96ed34dacb---26688933324.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079b19022d9a---dokazewowozoz.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/3a870ed49dfd0bce93e13410d4b61c8d/56407768347.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7f6f4b0666321416ab953dafe3fadfad/96596878506.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/094006b3a7a64e5c141b3a526b5ec246/fubepobarisipog.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/99178248649.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/2h8t6qcf7ob34153a6foije6dg/76123508838.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb3aef3521---14557763326.pdfIn PDF document text
  • http://ash-graphy.com/userfiles/file/sowadirozodokowofogixodiz.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/1de654b0b0344978de9bd21e327892f2/jobamanumajeg.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/19081192714.pdfIn PDF document text
  • https://equipelec.fr/ckfinder/userfiles/files/nelovul.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1271ea6a2---95639899200.pdfIn PDF document text
  • http://deficanderel.org/clients/6/67/674a09facce11b7629d390eef9534ff9/File/lexoxodasuxen.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b66fc2c0c---5224111994.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/d33f28e4f809d7603c7f40bf6f030b7b/kukajiwobu.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/gep6vf8tjs5astsnn5u6bgslsm/52483120640.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/dd8b54a0fb9a7af5ed2f5d3506a6802d/49951857640.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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