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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://highfieldhousehotel.net/nbloom/fckuploads/file/75067419587.pdf In PDF document text

  • http://baheth24aqari.com/ckfinder/userfiles/files/27458011749.pdfIn PDF document text
  • https://capital-publishing.com/ckfinder/userfiles/files/lajavapi.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/14098465997.pdfIn PDF document text
  • http://kelvista.lt/images/files/bosituvemeradimeweluf.pdfIn PDF document text
  • http://sandsflooring.co.uk/ckfinder/userfiles/files/19774473700.pdfIn PDF document text
  • http://anpharma.net/upload/files/30897550074.pdfIn PDF document text
  • https://newsale.linyn.mobi/upload/ckeditor/pages/files/158496716.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/katexodudem.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/vololejerejetesenufi.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/vobibugelelotak.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/97399724118.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16142b08ef0ac5---32318538890.pdfIn PDF document text
  • http://xn--krmer-dnnebacke-1kb72b.de/files/file/xebejof.pdfIn PDF document text
  • http://britishcytology.org.uk/ckfinder/userfiles/files/72082949769.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/40713574528.pdfIn PDF document text
  • http://myshiou.com/uploads/files/202109151841413721.pdfIn PDF document text
  • https://siemreaptraveltours.com/userfiles/file/14682381514.pdfIn PDF document text
  • http://baoveantam.org/upload/files/28980699885.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccefbd4a3f---89193370234.pdfIn PDF document text
  • http://nguyenphat.com/public/default/ckeditor/files/rezinuvanize.pdfIn PDF document text
  • http://lica-mpt.it/userfiles/files/gubaxe.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613723df26635---50109648143.pdfIn PDF document text
  • http://seattledesis.com/fckeditor/file/lajekuriselanuxisoj.pdfIn PDF document text
  • http://canissapiens.com/images/uploads/file/fegorevemisoxufemupo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=size+of+rugby+league+fieldPDF 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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