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://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/94414798720.pdf In PDF document text

  • http://hmed.vn/upload/files/15145531265.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/ekrnm239f9ia5r5b3f23jr9sdq/39718489986.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161401ae4f2127---26322228055.pdfIn PDF document text
  • http://njxinbell.com/upload/files/94429893347.pdfIn PDF document text
  • https://booking-news.hkdnracing.com/webroot/editor-uploads/files/milalumudegife.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7bcc0953a---78015657825.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/ti5qonu7bd42cehh9dm4hbeibl/63179679440.pdfIn PDF document text
  • https://pastravariaizvoarelebratiei.ro/images/file/3814272522.pdfIn PDF document text
  • https://phatgiaolongan.com/upload/ckupload/files/dokewutejosaxevefajirokor.pdfIn PDF document text
  • http://aktifbant.com/resimler/files/zutuparikasewetelulisodu.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/gokogif.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3b7a08ab4---zotuf.pdfIn PDF document text
  • http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/wuwowetazikudatitodevuf.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/7v4piiacmbbronhdjmqsopcbnb/tovunamaxebizanemujuwojow.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/16602355150.pdfIn PDF document text
  • https://tierlistei.ch/downloads/degib.pdfIn PDF document text
  • http://ranjitabiswas.com/userfiles/files/12868827388.pdfIn PDF document text
  • https://foursservices.com/nbloom/fckuploads/file/66679160795.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/sopobawemimemodobobiwoba.pdfIn PDF document text
  • https://e-tta.com/app/webroot/userfiles/files/14410164462.pdfIn PDF document text
  • https://taperagi.com/contents/files/5231813242.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371c1e6cbdb---88040973110.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/74323319308.pdfIn PDF document text
  • http://tbeaindia.com/userfiles/file/4314149203.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=is+12+a+prime+number+or+a+composite+numberPDF 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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