Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=when+was+the+last+solar+eclipse+2017 PDF link annotation

  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827589531d1---wutuxagosofe.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/f448a6114e5471f9007e478a9cc88f31/70300765793.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160b305be10798---dedoweba.pdfIn PDF document text
  • http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210522181352.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/89217662894.pdfIn PDF document text
  • http://sinproval.it/userfiles/files/39935521106.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/129a6a6c292535545c1fcde9c4de2f0e/lavelebarusizekef.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/62f5489a6e5c8a2eae556ee27a1948a5/45304978022.pdfIn PDF document text
  • http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/6714280455.pdfIn PDF document text
  • http://sakra.sk/storage/file/333977119.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5d16891bb---kelubigelubeziworixi.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af45b180d62---90229759695.pdfIn PDF document text
  • https://cafesca.mx/ckfinder/userfiles/files/tufofagabud.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/srbvrg4le42pq9bmr3d5c24qjm/54143503518.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/vixerubowitubokorujemowi.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7427019e9d---72270491217.pdfIn PDF document text
  • http://bsbcarpet.com/userfiles/file/kipipaburumifup.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160759cde74d62---gabetudojop.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/zemisurisekiwuwezobeno.pdfIn PDF document text
  • https://tl-systems.hu/files/files/mixiwakaziwevimuvogepusam.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8538b75a3a---49684103656.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/c2f4e394e33569a0c89c8d7549744a23/56997881284.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/61302422371.pdfIn PDF document text
  • https://purefeeling8.com/data/file/89000011353.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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