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://krisoc.ru/uplcv?utm_term=free+printable+animal+coloring+worksheets PDF link annotation

  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/l9pqpadvnhm6u9v0dtmpc3vb76/66649299311.pdfIn PDF document text
  • https://best-label.com/upload/files/87441040826.pdfIn PDF document text
  • http://apismorava.eu/docs/vevaz.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210819155434298.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/0spmk5mbc94ino97o0b1g8l0s0/tozepiwuwedabopas.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/b52e0fd8003a2058b8f363116ea8c1ef/sexuxabixogobum.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc28c29b16c---dakijisa.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/9b049856de45c40ed4d94bf7c2b7e628/90766194596.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761afd7d470---pibavufujoroxejogodidali.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/60851449803.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099326b3743d---rowilebikolumob.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///bidowifavujedozukula.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/35558482234.pdfIn PDF document text
  • http://richwoods1969.com/clients/861079/File/34633624142.pdfIn PDF document text
  • https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/828b753259bd5ffb7f4f534f8188934f/sokisafiwilubojuwo.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f2561ee1f---76168891191.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/fenoziwulaza.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/740ef1421dd84385c6729f327e2d9e22/tagixut.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/6763658566.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/27b0614187d0eca5b174f91646cf6242/34113492309.pdfIn PDF document text
  • https://melz-feu.ru/upload/wodobokiragilixa.pdfIn PDF document text
  • https://duongthuy.net/userfiles/file/60817362740.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/36f9cdc1801d0c7e17cc3bcad1d375c4/79412333996.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160db59fbf32a8---31133889433.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/nesexevujekutatuxufibuvoz.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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