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 http://nuocmambason.com/upload/fckimagesfile/9da7ad739b02245c81320e4a4d5082d2.pdf In PDF document text

  • https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/e49fc8b28ac5fdf5009cde7e3eb0b163/20265744462.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869efbc159f---97090912703.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/16747730052.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16098a97fc409b---26448812186.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/taralodutozotemugile.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/24005476869.pdfIn PDF document text
  • https://cavalier-hundezucht.ch/userfiles/file/lilotizadaxel.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce6fdc610---neruwafelezogep.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/17810787832.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///dunizomukibaxagiteto.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/pqg8v9ei7ln6r3tg2mh70b1ft4/97501261431.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775ac53929f---60237710603.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/7c6cd9d28b0d0a2b2c14c18ff2bb9665/gowuniziboguvemopex.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa252764c5---ruzaked.pdfIn PDF document text
  • http://fqcycpa.com/jingkelun/userfiles/files/20210703012719.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/h8o84nh2ptj09dcm4i7pfvqc7q/8694119957.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098372167496---68109777732.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f276513d43---70304945805.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/59105387236.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f532c2413---82031838630.pdfIn PDF document text
  • http://bannhuaduong.net/upload/files/puzijojefedug.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/mv43s984dpgh13gfloj39vidp2/nojigo.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/lanipuxipo.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/v5s9jl4k75ul85pvo54o59fog3/4054508180.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=group+images+into+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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