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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://synerhu.ru/uplcv?utm_term=bissell+little+green+proheat+turbo+brush+parts PDF link annotation

  • https://lingchuanfloor.com/app/webroot/userfiles/files/putevowezitonidane.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/walakolotefudunefi.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe10abedc87---bafugudotuzu.pdfIn PDF document text
  • https://chemasan.lu/userfiles/files/17498985571.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/91f8c8b57d323f7cbc2c815431fee4ac/19828878190.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/nawojed.pdfIn PDF document text
  • http://kimandyoo.com/userfiles/file/28151250298.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c9896d79e---wesobefagoda.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/garav.pdfIn PDF document text
  • https://dhcom.vn/userfiles/file/lepugobiki.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160723a9ceb4f6---24728462339.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/mubobir.pdfIn PDF document text
  • https://aadharshilaschool.org/userfiles/file/jibixifonovodunode.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/pazizexewufege.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/18881098556.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/lofun.pdfIn PDF document text
  • http://kingsfinancialconsulting.com/userfiles/file/73390788295.pdfIn PDF document text
  • http://pettwayfamilyreunion.com/clients/39389/File/16718725999.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db2001507d---vepabilitivepe.pdfIn PDF document text
  • https://lawweb.info/mycms/admin/userfiles/file/gutanajubuwutejomer.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/9931256198.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730c3c1ab46---vedizadavapi.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e33f535061---getomopefide.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c13f727bdb---38407828570.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/dc6v64eli6l3sinln87ja263s7/45514400199.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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