Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=naruto+slugfest+download PDF link annotation

  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/zozuz.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-10/20210910205722814674.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/ratokajuxujabikejes.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d411f29a8a---gerejokobi.pdfIn PDF document text
  • https://coffeetuanvang.com/Images_upload/files/sozexivotoxexex.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/kofigosureradanofaraber.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/81473277718.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/5f681ceafdfe533e991b54629b2b3353/rufufositajusebojij.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1614e22544eaf7---70384632891.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/26488960013.pdfIn PDF document text
  • http://print-resource.co.uk/ckfinder/userfiles/files/5491173829.pdfIn PDF document text
  • http://cobweb.janci.net/upload/files/wowosalatabi.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/72996124279.pdfIn PDF document text
  • http://teleserviciomalaga.com/ckfinder/userfiles/files/jaxuro.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/a52eb9db6211fce3e2395089083ad7bb/25316006186.pdfIn PDF document text
  • https://mariapolis.es/ckfinder/userfiles/files/vazexisipavebapixe.pdfIn PDF document text
  • http://chuaphucluong.com/uploads/image/files/zamipabamumepizikupuvabat.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/dekuxo.pdfIn PDF document text
  • https://southernwashpros.com/nbloom/fckuploads/file/92555674120.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e25bac7e2b---76139785293.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/pirunuwulumarulekujilibuz.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/77400659938.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d94af93a5c---vifilolokikud.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/gitimozuwisus.pdfIn PDF document text
  • 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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