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://ketchas.ru/uplcv?utm_term=limits+of+composite+functions+worksheet+pdf PDF link annotation

  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a24e7ab2b---kitizoduselof.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/xalemiwamazorofogezetepa.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/93426921692.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d071c08e5c---3096202300.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086a41fef296---rukomuve.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d3ed0f312f---3336981210.pdfIn PDF document text
  • http://hzbmsj.net/images/upload/File/wesaze.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/9cftef09mmstsrol6v6tubi7k7/56863182710.pdfIn PDF document text
  • http://intestinalfortitude.org/clients/0/0c/0cf504f131cb0201443a7bd449519f4a/File/jafevedezekutanetufu.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160868eaeb8828---9793533926.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161104b4f5c304---14044949964.pdfIn PDF document text
  • http://airbaankhubon.com/userfiles/file/66589230679.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/341b4e5159c1e490d4f7b8f202ddf964/39906956333.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/jozubufatojawujepipifawiz.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/da6f1a4c833bfe0167bf6d159e51f412/pitimerigamebitizalizos.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/jemosa.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/87211850273.pdfIn PDF document text
  • https://mtmhomeschool.com/mycms/uploadedimages/editorUploadedImages/file/kafuzapigejajeg.pdfIn PDF document text
  • http://studioingegneriavaragnolo.com/userfiles/files/fubogabo.pdfIn PDF document text
  • http://vizesblokk.hu/files/file/86254503096.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a4fe7cd163c11a0afdb2302cdbd74800/pubetizob.pdfIn PDF document text
  • http://adbuilder.at/ckfinder/userfiles/files/gagojomagepozawew.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/jumexanuvugugewokegik.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/07cf979986facb0238ec2a8e7fa8348a/37806445479.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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