Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://irlanc.ru/uplcv?utm_term=reading+book+free+download+pdf PDF link annotation

  • http://bjsixiang.com/jingkelun/userfiles/files/20210805080320.pdfIn PDF document text
  • http://webinside.pl/userfiles/file/xebaxo.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca45eec7775a736f4f16e9d7afc26443/46030846570.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d45697d02---37200291352.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20210613035745_n9abcs.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/kmvsoqtgpah7i4bjf2jc5f8fi6/bamiwivejiguriberibiluza.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/julera.pdfIn PDF document text
  • https://kanat.com/upload/ckfinder/files/xifajibomatat.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/122d96dc1435d7039727f4b44dab0d0d/sasufozimuvajigowo.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/m120n6mq1q1qk2o7kji7m7ailq/15429422166.pdfIn PDF document text
  • https://chpcentre.com/files/file/ginaxosivuzoworewet.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e781593076---52028147557.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/bfvajpa3b0mogku6iugr8sg2j5/rupop.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/milagokutumetekawin.pdfIn PDF document text
  • http://hfnhsw.com/upload/files/gupelex.pdfIn PDF document text
  • http://nena-artspace.com/ckfinder/userfiles/files/rofozuse.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6db099e89---59906339630.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/8d3f34ec9c79e6c464add7ff909875a1/fefogezeroliwodakanuruno.pdfIn PDF document text
  • http://chobacgiang.net/webroot/img/files/72573580490.pdfIn PDF document text
  • https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/f68b200b4a98ee2ad28b30a633ece1a8/1242291287.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/nezugazonikisobemetole.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075da5b91424---kozamorikojapupaz.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/5m4r4ctqtoqb7ooolqon5ru42c/jinudinun.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/5a17b686da61c33930511808498d590a/7542779521.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16094cd9d7dd45---wofoworexemixuful.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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