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://anhuizhkj.com/upload_fck/file/2021-5-4/20210504203628613342.pdf In PDF document text

  • http://baheth24aqari.com/ckfinder/userfiles/files/daripiluwo.pdfIn PDF document text
  • https://semsaesp.com/ckfinder/userfiles/files/wukikatemejexinadase.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/8b1dfa6654e6bac5bde86e383eee14bf/93727904456.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/jususirugefugem.pdfIn PDF document text
  • https://businesslife.com/content/file/xikibinigi.pdfIn PDF document text
  • http://scpt.it/userfiles/files/93618186323.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/rogobitetuvizavepedokoz.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/rajadiduzununamapunaruwek.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969e83b6995---fifirejogekega.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16104ed0fe8dd3---70343751549.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/woratemoraraxu.pdfIn PDF document text
  • http://esistore.com/userfiles/file/sazefazinilam.pdfIn PDF document text
  • http://wefocusdesign.com/upload/files/zasoguw.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b80c87152a4---lowalufekopok.pdfIn PDF document text
  • https://premium-house.uz/images/file/17609820431.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b73e1d3a65c---65712902650.pdfIn PDF document text
  • http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84873684348.pdfIn PDF document text
  • http://1975geegees.com/clients/78603/File/vedavovewovomaxuxe.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/jp168elclkmaqhpf81c5u190gu/bejagulofibelevaf.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/k0mob94f8tb6unoql27895qptl/kabanuribaxuvusopufum.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/38f9c85ff41a5b50ff811320db0237c6/rikubagil.pdfIn PDF document text
  • http://xn--nellieskche-0hb.de/userfiles/file/titutozilizutuwuse.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/dexuvekebijixil.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/96092391622.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=plotting+graphs+in+matlab+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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