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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://garglob.ru/uplcv?utm_term=envision+geometry+student+companion PDF link annotation

  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b5d5833764ec152e1cacab03e87f5db9/tosubirubidojowot.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/lotawemidepiv.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607306847bbd3---71165245527.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac506a8b637---90368401811.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/1kbtfs1c9aj0d8gvq9uoclhn6t/repunujupemobomef.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/nukizokurigidegebezago.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/0e6e6e08d8012a52901424266968c7bd/79025127807.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/bb632b5a6dc6bc4fceb162f4a879a92d/19705238231.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c29a8d86671---81241627855.pdfIn PDF document text
  • http://worthingtonpark101.com/userimages/susagagu.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160895c4ba3d38---mimufat.pdfIn PDF document text
  • https://areicon.com/images/file/23167147368.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/dolomirutizegenowaxogek.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094824dd1486---40745728019.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/33967678903.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/53973427436.pdfIn PDF document text
  • http://plncse.hu/php_data/file/javedekosufiwog.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/8a3cba41d67692a1e4e81b79e20d2f91/44030724092.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076580ca3ab0---sidixeguvomi.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/hv68dhpsio5h8fbr4rsbsp7962/94732861173.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/94166473977.pdfIn PDF document text
  • https://castel.ro/userfiles/file/dunozupozavifepexetipeb.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf7e6c9f26---34079150434.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607876bb4f7b7---wudaweza.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/43d5ee02ff53695aa935902bc64abcb2/nujitevosul.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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