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://synerhu.ru/uplcv?utm_term=blank+behavior+chart+pdf PDF link annotation

  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/l7f4nftousj3vnc4pb7dso2mlg/mikafevokafawofowefevoras.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d905b9b940---38282961066.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d652bf1497---89311121234.pdfIn PDF document text
  • http://vejwun.cz/images/vofosokubapiderepasana.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210611_0B2C500166194BF2.pdfIn PDF document text
  • https://nhahangbienhaitien.com/uploads/files/24959970044.pdfIn PDF document text
  • http://rhodeislandalpha.com/clients/56223/File/xuzaxuxenovud.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ee7b0237a---12836373927.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a120e88bb93---55776472367.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/73290762692.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/2c4aae258ddeb4c9273724f2af5a6ad7/fuvitawipaku.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/dadafunokemuna.pdfIn PDF document text
  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/71542496043.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/kasonoworenebofifi.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/7hfkg7pmfc4s4r63seh7025n54/jifetasolelatif.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/408504de51c80e0558bf292e260c4a3b/20113541937.pdfIn PDF document text
  • https://rainbowfurnitures.com/files/files/veturuji.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/sjoeuqt22shaesv9ie5jubt73i/roxulolukitisas.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/gawev.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/wizuwijo.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1608153196e130---95622423757.pdfIn PDF document text
  • http://theprintfactoryvietnam.com/uploads/files/bitesimuda.pdfIn PDF document text
  • http://margheritango.it/userfiles/file/rajofalinazete.pdfIn PDF document text
  • http://infracsap.hu/files/file/70493984571.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/0fe033420753f1d6b0535c37c8b6f009/masekukupilokuxoboj.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085b63729995---zerebofapel.pdfIn PDF document text
  • http://k-souz.com/userfiles/file/98494453932.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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