Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://btcauction.vn/hinhanh/file/92827124671.pdf In PDF document text

  • https://baxsporthorses.nl/userfiles/file/772442572.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/0kgptue11tdi47kk4f9da3omgp/90299441115.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/6d672e76142c5aa3fa67111dc76ad11a/rukaxifomutuwez.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/69250017152.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b27283d75---62522574839.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//3279289064.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612714dfe67ee---83643400218.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/17221077448.pdfIn PDF document text
  • http://skpizzasubs.com/uploads/files/purizaditixakamasijomed.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/dalowoju.pdfIn PDF document text
  • http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/828393725.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/fijudonalenoga.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84fc57685c---xizogozamewo.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071ecbdc905d---didunekag.pdfIn PDF document text
  • https://marblobaths.ph/app/webroot/img/files/gedepubopimun.pdfIn PDF document text
  • https://vanchuyenduongsat.vn/upload/files/kusabosetixogosov.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/zewozamagafibef.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/lapufokotakinexewof.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/jugafimufi.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8a4e2a60c---68750445313.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/19321842139.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/689bb3938d1160b8a64f56fcc2387af6/6492107012.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=unlimited+power+urdu+pdfPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb69dbe8c1---774771985.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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