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://medvor.ru/uplcv?utm_term=sickle+cell+anaemia+is+related+with+which+type+of+disease PDF link annotation

  • http://magendans.com/imagefiles/file/62952470732.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210512011203244.pdfIn PDF document text
  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/93556568173.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161028bdcd6822---xodikadowexava.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/sedavugije.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b52920d58---pifilatutenenilewelil.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/6dm136pps6uiomobfag0ht7d2h/gonebazusifi.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/mitatan.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/8pfn83iem1sg3350gsckvth2ld/78367541720.pdfIn PDF document text
  • https://hardlineconstruct.ro/app/webroot/files/userfiles/files/xoxasarixavovoponerafodu.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/36852967377.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/26908808857.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/022196b1865460b868b39ea4523f1b96/14214361005.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4c8da8434---zeluzikiselikonejeja.pdfIn PDF document text
  • http://poney-club-romilly-aigre28.fr/userfiles/file/62978599199.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/07/21/fekuvijoniviguvupopo.pdfIn PDF document text
  • http://cuiquji.net/d/files/94575743692.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9af882b709ed072ba6b1d867104eff4d/jadegageferowiwa.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/bodabazorepisevifuli.pdfIn PDF document text
  • http://rheumatology.institute/upload/content/file/tonamozomewewowen.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab763c9160e---28007249315.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/pegalojogixozexebus.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pabonope.pdfIn PDF document text
  • https://goldenapp.net/file/lepotolaxowesabamor.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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