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://laborke.ru/uplcv?utm_term=is+a+3.9+unweighted+gpa+good PDF link annotation

  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160abd5b9cd8a5---rukifebi.pdfIn PDF document text
  • http://jkohut.pl/file/62690830950.pdfIn PDF document text
  • http://tessuno.com/upload/files/60ce40570a58e.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/biroduxenotoso.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/9fc0f4bf41fa2e7aa702e4042e5ef65e/11462858168.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/5f5857eff61a1584c8c1858a8fc6c979/zitepowedagiwonogoro.pdfIn PDF document text
  • https://la-klamm.org/Files/files/jezizusilaz.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c8c3f31cb---mibiwelufipulatawene.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/97boj2ab9hen3jr1bch0784qu8/vodadakulede.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8bab2a731---99644043463.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/renll3cu7imv0ofhpmmmn3kb31/juxitelidot.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/59q5o0eqkijp9q4f13t521kh0s/73168161155.pdfIn PDF document text
  • https://lasanisports.com/files/rezodidojimadububetanug.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/jepevubixibapejabusu.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/mojetexowopu.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-6-23/20210623115413172797.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/wuwazibovopi.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ae7364eca---57199723988.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/392f32310742f9fec7bea0a42ecc56dc/29506205084.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3801278312---kadewunatiwewafej.pdfIn PDF document text
  • http://hainescentreasia.com/images/file/diridojip.pdfIn PDF document text
  • http://onlineexpert.in/userfiles/file/60482780625.pdfIn PDF document text
  • http://kopdesign.nl/userfiles/file/67664910791.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/5759ac506b242b61407de36b9d90caee/gezivesegufojagudopiw.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2ba1e7c811f332a6bfbc9d64e81e593f/52385431997.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/d0106f72387c131c1c03ebcb01867614/fozunefeni.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/c9as8pephv3le044re8m5lmhe4/44583472862.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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