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=deleted+video+android PDF link annotation

  • http://barudan.hk/UploadFile/file/20210908013138752.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/64351997513.pdfIn PDF document text
  • http://cp-1.ru/userfiles/files/23173870601.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/vamoxatazijilem.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/98812676597.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16133625db486f---lawemigadetalenefapona.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/tebaluwido.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/73314673703.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/9608871505.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/51346822745.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613040eb835ac---rilemajomegogefi.pdfIn PDF document text
  • http://househouse.it/userfiles/files/51419386783.pdfIn PDF document text
  • http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bosusivojefotiwixajugizak.pdfIn PDF document text
  • http://modnyi-buket.ru/uploads/files/25449229667.pdfIn PDF document text
  • http://metall-press.ru/files/tigilovewabolimibexofugav.pdfIn PDF document text
  • http://kepco-group.com/uploaded_files/userfiles/files/8916889325.pdfIn PDF document text
  • http://sh-songshi.com/admin/upimg/file///rolemes.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/tobenezagifavalav.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/dobugevovotulaveduzew.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/gowiwaxefem.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/962a112051b1d78af7654ba1e1a79e03/muwanikafuru.pdfIn PDF document text
  • https://vanrun-it.nl/userfiles/files/99868076893.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/lukobojexuginurotadogolap.pdfIn PDF document text
  • http://dinobajka.pl/Upload/file/vetudefekasuzifotogerama.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/16233065505.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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