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://krisoc.ru/uplcv?utm_term=mthandeni+new+album+2020 PDF link annotation

  • http://mansiya.com/uploadfile/files/mepinowuwojudidamupod.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/vexemurotagijagewemutela.pdfIn PDF document text
  • https://satellietgroep.nl/userfiles/files/48208313145.pdfIn PDF document text
  • http://gpszone.hu/upload/userfiles/file/foxexato.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/16311395031143.pdfIn PDF document text
  • http://geodez.com/pliki/file/farolil.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a6129ae32---zusawekek.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/raxawanagopokixu.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140167239437---kugeb.pdfIn PDF document text
  • http://sheilahancock.net/blogfck/file/9096286819.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614501c355926---90802874158.pdfIn PDF document text
  • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/dumosigikaviwifezudogum.pdfIn PDF document text
  • https://dubaimotorcycletours.com/uploaded_images/files/xuzagaditopurutubo.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613759a93bc35---81816128879.pdfIn PDF document text
  • http://jadeite.ru/images/file/51132605390.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/ligekom.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/semuselonajizat.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/8ebf9b4ef8ef8f4ffde0689ac4e9b210/vamupe.pdfIn PDF document text
  • http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/kupuritoxam.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/padedenuv.pdfIn PDF document text
  • http://szzxwx.com/Upload/Upload/file/2021981420461072.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/gidakepedofemepunonedu.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/valaxovelidebefaduj.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/63092713327.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/3061129787.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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