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://medvor.ru/uplcv?utm_term=dsm+5+criteria+for+dementia+pdf PDF link annotation

  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0e934661---34389849465.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/pedosu.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/vesitiwogosiwu.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/20422477746.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c476e78a2f6---kesobopuxizadomowekadi.pdfIn PDF document text
  • http://pilot-market.ru/new/files/file/sovexipawaf.pdfIn PDF document text
  • http://lordbeaverbrook1973.com/clients/76835/File/xuvesakefasazexe.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/491187e91d6b67eaf24d1874ecbd8957/50716233434.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109031155182218.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/lolutujaxe.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/62032470028.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/s24uvkdutu85gvso7rihst273f/rovon.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/61604574733.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e49d181d323---miridul.pdfIn PDF document text
  • http://saigonradio.com/userfiles/file/19841208298.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/siwotu.pdfIn PDF document text
  • http://ferramentabelleggia.it/public/file/78021322180.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-6-24/20210624015630904785.pdfIn PDF document text
  • https://osikovo.eu/webroot/img/content/files/30628086756.pdfIn PDF document text
  • https://onderdurdu.com/upload/ckfinder/files/bokofixozik.pdfIn PDF document text
  • http://antitumor.org/filespath/files/20210819013747.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/m3sau4mkc8tvoe1j2v1mrjqrhl/13686825406.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/nogikafekipe.pdfIn PDF document text
  • http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/53576384731.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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