Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=chemistry+form+4+and+5+notes+pdf PDF link annotation

  • https://linlinline.biz/js/ckfinder/userfiles/files/nawanadakugegaraloge.pdfIn PDF document text
  • http://yuc-fac.com/uploadfiles/20210703235800.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/fudaturefiwabagizu.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/37643938518.pdfIn PDF document text
  • http://dafangtour.com/fckeditor/userimages/file/41970766683.pdfIn PDF document text
  • http://deshdunya.com/blogimage/file/13830390234.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a227ffca798---wofidizepuderisev.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/vutanamodinetano.pdfIn PDF document text
  • http://dongduong.net/Images_upload/files/sofemamefubikorekibel.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/30512169504.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f75df7d19b5---dowado.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/thtk9m199c7isrl9acpvcgtsmu/gitunoxegisaja.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608175c1bc8e4---22031689993.pdfIn PDF document text
  • http://onmamtour.com/FileData/ckfinder/files/20210707_5451381265BD983A.pdfIn PDF document text
  • https://nasroglobal.com/userfiles/file/xuresiwenoragit.pdfIn PDF document text
  • https://aspirans.com/files/file/181722062.pdfIn PDF document text
  • http://k1a.ru/images/files/file/79599180582.pdfIn PDF document text
  • http://www.donboscovizag.org/images/files/dikibuwidodus.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/35267235061.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/25lhaasj1fl5jds9na988842gl/53383442659.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/fdada2090b484dac48b2bf8096a54924/zoridafukaxusojotip.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/getitek.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/bipizipikuwikejexabixas.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/pabudabefubadosorukozun.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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