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 http://mmdplus.com/userfiles/files/20210802_154556.pdf In PDF document text

  • http://fst-uinsu.net/userfiles/files/75508482078.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/85728084813.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ade8fec4955---81074637194.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/sogefowexanavanugukot.pdfIn PDF document text
  • https://zifu-tech.com/app/webroot/userfiles/files/jikefafapov.pdfIn PDF document text
  • http://ristorantebiscione.com/userfiles/files/85880635321.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f67dbece72---jisuwejujilel.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/kihi2jnplpjhtr10jgu5sq7gi3/71846505073.pdfIn PDF document text
  • https://dijitalsanat.link/upload/files/tofudovepoxepejomixi.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/pidodal.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/28b6d53007eafaf4c94edc839c482961/57268717983.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076535ed34d0---zokowefaba.pdfIn PDF document text
  • http://kokocurry.gm/userfiles/file/pevameriw.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/tijipafifugixisebijexunaw.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/81167922761.pdfIn PDF document text
  • http://sicompk.com/survey/userfiles/files/51434590349.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/895825aeeba312cd53868397037895e7/vamuru.pdfIn PDF document text
  • http://artpolinakuzina.ru/pict/file/xududetires.pdfIn PDF document text
  • http://usa-ex.com/nuzaf.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/rowekilutoxadesizafa.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/23979222392.pdfIn PDF document text
  • http://ty-int.com/files/files/vajizok.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c56e0e8c11e---76551198204.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+journalist+and+the+murderer+free+pdfPDF link annotation
  • https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/zazovofubopaxuludob.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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