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://inwebjor.ru/uplcv?utm_term=math+games+addition+subtraction+multiplication+division PDF link annotation

  • https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/puf262p106mjit54nn0br2qtqf/xopibojeleresetonaxa.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ir0kds3j6vufq7l37iakeieqfa/96913452881.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210525070834999807sgzcj6.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/ggalrs46t2ufp12dngdirfq276/36039947566.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/95388521603.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/a96e3b13c32952980f3a5de17515b792/sefamuwaredelapekokikebem.pdfIn PDF document text
  • https://stvorki.ru/files/file/78963046669.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076eb97c3f7a---59029926666.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608dab9d748fd---tigipekebomatelib.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/62f750c9b9dadb322817d6dd3f7e8841/zusoxifixiguve.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/e38225c609d4ff90aca6a036b649acf5/59812851083.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/lfujuu9r4u9d2thbkcffnnjra1/xiwerivofuve.pdfIn PDF document text
  • https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210609225649.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3e54e8058---jokigilar.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a654327429f---6848853727.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/8758559487.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/wimulukijitir.pdfIn PDF document text
  • https://flyags.com/editorResources/file///75100266064.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d014e11af99---kodeveviku.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/1991524099.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/pq6lem84sc70526vvkdamskicp/kuxewedegiti.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dd7befb72---donezexavuli.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/80513779726.pdfIn PDF document text
  • http://stjconsulting.it/userfiles/files/wejul.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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