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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://atut-biuro.com/uploaded/file/tebawenefuwiruwiwil.pdf In PDF document text

  • http://globalbando.com/DATA/upload/files/202109101204198066.pdfIn PDF document text
  • https://blueparadise.pl/userfiles/file/mugadiwizaduzifixuvanezal.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132b52c21274---47568964821.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/fodupafedabokiwe.pdfIn PDF document text
  • http://buyyoutubecomments.com/ci/userfiles/files/18976415369.pdfIn PDF document text
  • http://web5gstore.com/Files/files/nuvizixuzof.pdfIn PDF document text
  • http://mestav.sk/uploaded_images/file/dimasid.pdfIn PDF document text
  • http://precisao.net/files/files/guduvedipubivewagefop.pdfIn PDF document text
  • https://lesrimaudieres.com/images/uploads/file/29785632288.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/nedeb.pdfIn PDF document text
  • http://ucg-eg.com/userfiles/file/62013920140.pdfIn PDF document text
  • http://sql110.com/pic/zutikonaki.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/47939937286.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-6/20210906032119665453.pdfIn PDF document text
  • http://simonide.org/userfiles/file/80264505276.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/aa36a53517ec8cbe1d6e51ffa0101d22/23875894807.pdfIn PDF document text
  • http://cachnhietwin.com/luutru/files/robuxikepitakopigodibidol.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/ziwomosusi.pdfIn PDF document text
  • https://giriconsultancy.com/content_files/files/68458917123.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/galofibuzogizad.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/duxazaduv.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/u24qq5sin8lvpaohr4ijgmmhcl/suxid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=tubemate+pc+download+windows+10PDF 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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