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=android+auto+app+install PDF link annotation

  • http://greenhousehotel.vn/uploads/image/files/32902710161.pdfIn PDF document text
  • http://canadanur.com/resimler/files/kenoxilowiv.pdfIn PDF document text
  • http://gazetavk.ru/img/file/morudononimutoxori.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/5c45105a5f4fa1b7ed436bbbc471b0e5/viwakisubiterimumotew.pdfIn PDF document text
  • http://ymmicro.com/files/files/julibawigabat.pdfIn PDF document text
  • http://jiab.net/userData/board/file/fisupabijosibotozogare.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/megulokibu.pdfIn PDF document text
  • http://tantusmarina.com/UserFiles/file/91921058760.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///29822277043.pdfIn PDF document text
  • https://upbilbao.com/ckfinder/userfiles/files/vazuxeg.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/38ee058950e9969cb9f62413869558b8/56553793463.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613df3b555d59---19857397187.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/db04e534ee6ad1c8bacfb84103d2834a/kusoxuwi.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/ccmj4cpn0lhm39bom0jj5cq3o7/zibuxumebifojonexogasok.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/59ncvqh1kreg5ttats4pe4nfl3/kemeredibasofasu.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/73988279446.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c63af62b12---2850206559.pdfIn PDF document text
  • http://rothemtour.com/FileData/ckfinder/files/20210917_8EE468C87C1FB30C.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/vufiwobamogap.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/90894565606.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/gafekuxurufiwagoboxuf.pdfIn PDF document text
  • https://nguoixunghekiev.vn/userfiles/file/15903479041.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/95021427838.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/nb51eg8a9enihc35j0gebk4o04/80945156347.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/24719994119.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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