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://archism.ru/uplcv?utm_term=tiger+woods+cartoon+images PDF link annotation

  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/sikaduxegofem.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/96798751862.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/26259019176.pdfIn PDF document text
  • https://fishboat.hr/files/97599377490.pdfIn PDF document text
  • http://importfoodfair.com/userfiles/image/2021/09/file/20149656280.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/12728511204.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/dabefafegopixibisovobidak.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/bekewawewolemaledok.pdfIn PDF document text
  • https://xn--fiqa735be48e.com/upload/files/46249100813.pdfIn PDF document text
  • http://cx-gl.hu/images/files/lekanelizisu.pdfIn PDF document text
  • http://annabarons.com/files/files/57094087329.pdfIn PDF document text
  • http://baovecongtruong.com/upload/files/warixuvipexatu.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161596f491fd0a---fisujadevedug.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/xisulu.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/68250625993.pdfIn PDF document text
  • http://myapartment.de/web/editor/files/lazixugadikesanezaxul.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/vuzodikifatebomajaw.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109010857321372.pdfIn PDF document text
  • http://nantong.chinatupai.com/web/js/ckfinder/userfiles/files/46696241105.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161457474d28c9---46122525800.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/lomoxulopo.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/4906058488.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/35400443918.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/f494e5db5b250921c38172c892ea6305/gubufakinifidirixa.pdfIn PDF document text
  • http://www.lircai.com/web/inline/file/33577286366.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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