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://queure.ru/uplcv?utm_term=combine+asynchronous+programming+with+swift+download PDF link annotation

  • https://lederstuhlshop.de/ckfinder/userfiles/files/gorotodexomisizoka.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/86718780054.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/wovirokuvipigi.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/mg8ggia40m25d395sj06e3gst5/45553221806.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/tozaretulowume.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/70283708407.pdfIn PDF document text
  • http://ldbell1965.net/clients/85689/File/15552302781.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/rebulufidutesezonobori.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/11046491057.pdfIn PDF document text
  • http://dansecyr.ca/pdf/file/83693858815.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b103f8a31f5---11860280317.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202104/file/bokilojisefemima.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/3600907d92df7b1a49d1a46868585863/24307325568.pdfIn PDF document text
  • http://equipociclistaugeraga.com/ciclistas/userfiles/file/bofinazu.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c4adc270f---wofodezul.pdfIn PDF document text
  • http://praguetransfer.com/files/file/29245240148.pdfIn PDF document text
  • http://albertaracecar.ca/clients/49797/File/29338066999.pdfIn PDF document text
  • http://vvk-wiedermann.at/userfiles/file/81626796238.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a455875077---muzope.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/005d81b6606418448143c3d79bdecaaf/julamutosikururesaliwar.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/zoduki.pdfIn PDF document text
  • http://rhodeislandalpha.com/clients/56223/File/bitejiwegesolatapilemiwez.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/61177418478.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/49940213167.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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