Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/fa187faf7734f06620882172544d2575/lowufolilawudomobon.pdf In PDF document text

  • https://nonbodepsg.com/uploads/files/61722571387.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/xudil.pdfIn PDF document text
  • http://zh-huaxun.com/uploadfiles/files/74605016534.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/nemud.pdfIn PDF document text
  • http://loadcell.vn/Images_upload/files/57499038176.pdfIn PDF document text
  • http://singlesync.com/userfiles/file/14359999401.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ecdhug3daqfk4ps2sna9n5hsd3/domapadam.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/168bdf96572db6e92a5c957d15721495/vinufutujufirilexorutute.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7166023d5---79527852350.pdfIn PDF document text
  • http://netpost.vn/upload/userfiles/files/20384602787.pdfIn PDF document text
  • http://www.koeru.eu/failid/file/zebumivevogekiwozeje.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/mojulefuzuki.pdfIn PDF document text
  • http://papinchess.ru/userfiles/file/49330623322.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/kedopokizugeb.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/mibopez.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095d8ea01f40---6039717210.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/bmvq8gd1bmhggprpkoe0ekidvr/71029511552.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/4262380411.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/xupuvejujazofisulilet.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/5762239b31895e9c09884601a78af760/9623372926.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c129a6970---59729858304.pdfIn PDF document text
  • http://canxetaidientu.com/images/file/24089366062.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202105291924138039.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=what+are+inner+transition+elementsPDF link annotation
  • 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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