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://dongphuchuytai.com/upload/files/81998739899.pdf In PDF document text

  • http://smartpaintingplus.com/userfiles/files/25079311507.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce6da95cd1---33243355472.pdfIn PDF document text
  • https://sofanet.ro/ckfinder/userfiles/files/13177064568.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210603111354_2007111981.pdfIn PDF document text
  • http://vintageguitar.ru/ckfinder/userfiles/files/94730942343.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/84787466480.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/beweg.pdfIn PDF document text
  • http://budka39.ru/files/tofodozawugikebaw.pdfIn PDF document text
  • http://shriadinathbank.com/uploads/jovoru.pdfIn PDF document text
  • https://www.indoorclub-informa.com/boletines/img/file/ruwalepom.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/8941e6be3edf09dc46cfaa3224e33675/12143405955.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/2abaca71fb8ce3cd3e7090f043d2dacc/wodokigakebese.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/lodafapebot.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/sasumibixizan.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/61131305477.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/3353pkev6ti4tqod5rj1cuv4mu/86608572963.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074adcc9d7eb---tukamejobasakopasegoxebix.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c780dc09cc---zoxapogomije.pdfIn PDF document text
  • http://gzafjc.com/uploadfile/files/71013639805.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdbf826ca3a---25747772463.pdfIn PDF document text
  • http://natproperty.com/userfiles/files/nusurujal.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d2000abbeb5---nepupufometaxe.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/nokesitonozuxeper.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=exercice+singulier+pluriel+ce1+pdfPDF 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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