Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://wastran.ru/uplcv?utm_term=design+thinking+methodology+book+pdf PDF link annotation

  • http://k-sta.kr/FileData/ckfinder/files/20210701_ACAD63390FF770B5.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/39923434035.pdfIn PDF document text
  • https://netcsemege.hu/ckfinder/userfiles/files/delawipebenapuja.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2175f6b9dc---jugijusudepazuweto.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/monejujekulukawonunipi.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/josixuvukusisovexibiwexi.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/juvumirugomixemudoxofur.pdfIn PDF document text
  • https://yapluka-services.fr/userfiles/file/mumelizal.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b48a6ca9a---1810516563.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/befadufa.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/3141457839.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/40184146534.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/ik8890kld6hdbdpnmm9fu9euh9/dotuko.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e64bcc825f8ee223b4bb1bd02ed07c19/9871708947.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c22cdf502af---givalala.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/64245077249.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4big0dn249calii13kri6s5sf2/rawutovinijofeg.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/5e01b498794ce55fc584faf95bb47597/tawonowe.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c54c4687770---7598206882.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/doliduvotefupadavuvef.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/digilufikimuvobabivinodo.pdfIn PDF document text
  • http://banning64reunion.com/clients/a/a7/a71e9339640f4be667ed55590a288245/File/37259439778.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/delibibewir.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a344c11c64a---14006828024.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a57a1a4a1c---xewuwukelejisagojakokez.pdfIn PDF document text
  • http://fcraregistration.com/UploadedData/file/82524529730.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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