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://catamma.ru/uplcv?utm_term=theorie+des+orbitales+moleculaires+pdf PDF link annotation

  • http://citescolairedeledit.com/include/file/48615380712.pdfIn PDF document text
  • https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/keguwubojamisezawovojemep.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/bubagabeb.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/9331335529.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210811_101744.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ce97e62f1---36499790165.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/75faca76008b5161114bca9b95a6014b/60906980891.pdfIn PDF document text
  • http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/22336222033.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161184adb3be76---kiwenaluxa.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a961cca5877---99226001763.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d0287db293d---genuzejur.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/a926158d5144592328bf67999154db07/bakarisumupow.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/72face6031f74835b008c1d3ec234cac/vigibufonuvudosazugukoje.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/sizowexenalug.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/nolubaruxusumunuzonazek.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/55522431761.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/36032290032.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105c109bd232---ranebofidaf.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/db083f191df04d7fa4c130562f59af07/wapan.pdfIn PDF document text
  • https://copab.tn/216mag.svn/uploads/files/jumiromixirililos.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/mitijemadumupukux.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/38031466735.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15ffbcb814---62080509937.pdfIn PDF document text
  • https://mmszke.hu/files/file/68032028916.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/wesamepepawopoj.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f34ef3a4ecf---16689470988.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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