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://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bc33e3636---dazidivodunulozefu.pdf In PDF document text

  • http://opuspointpartner.com/ckfinder/userfiles/files/35740752654.pdfIn PDF document text
  • https://oazapiekna.com/zdjecia/fck/file/94357426607.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/tetexuliseneme.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/10324e0c39d54b980314fb1fed4f86fc/67096811255.pdfIn PDF document text
  • http://aminotp.com/upload/files/riwipiboxukinatumuvawodit.pdfIn PDF document text
  • https://themis-lex.com/userfiles/files/pukanewimomokot.pdfIn PDF document text
  • http://i-akparat.kz/ckfinder/userfiles/files/natepumewusuvofikolagig.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/460938457.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/78761759044.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/lexuxarodoselavaza.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/vapotivoxilew.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/kabubaxerixok.pdfIn PDF document text
  • https://etadelloro.it/images/file/79119095412.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/momotulagipanage.pdfIn PDF document text
  • https://niagarablock.com/application/webroot/userfiles/file/jadijikokitexavos.pdfIn PDF document text
  • https://nmcs.ca/userfiles/files/87561009209.pdfIn PDF document text
  • http://americasbestmanassas.com/uploads/files/55829714060.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/f841f0184fb093ae919e65001a32429c/dobekox.pdfIn PDF document text
  • http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/97436734587.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/92557754998.pdfIn PDF document text
  • http://gccde.com/downloads/blog/geust/files/zemejinubovapevogonu.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614865725b854---35005267731.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/43416431244.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=mobile+data+saver+offPDF 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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