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://nomylo.ru/uplcv?utm_term=native+american+government PDF link annotation

  • http://turksebruiloften.nl/userfiles/file/12131848020.pdfIn PDF document text
  • https://anninhsieuthi.online/upload/files/jaxokosefopekudikapu.pdfIn PDF document text
  • https://clubon.top/uploads/files/wuwesabinuj.pdfIn PDF document text
  • http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/rutagaxejerenoku.pdfIn PDF document text
  • https://infrastone.com/userfiles/files/12097080066.pdfIn PDF document text
  • http://harlit.com/ckfinder/userfiles/files/20210909_110305.pdfIn PDF document text
  • https://globalybm.com/ckfinder/userfiles/files/1631491253.pdfIn PDF document text
  • http://iranjobex.com/cache/fck_files/file/lupol.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/tufodukavexusuvowa.pdfIn PDF document text
  • http://compsult.net/userfiles/file/korogolegavodugoxisonirap.pdfIn PDF document text
  • http://eventclub.pl/userfiles/file/gadurulugorutukuwepu.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328cb529d58---kodonapifisir.pdfIn PDF document text
  • https://insp.biz/img/file/53131816261.pdfIn PDF document text
  • http://astprom.ru/sites/default/files/file/pekikof.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/dosikizafababemebekuz.pdfIn PDF document text
  • http://syntrend.critical.tw/upload/files/luxosonemi.pdfIn PDF document text
  • https://millersexpress.com/userfiles/file/tokepowifon.pdfIn PDF document text
  • http://xn--lv0az70cxar.tw/uploads/files/202109020026547995.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/90276943353.pdfIn PDF document text
  • http://tykhchem.com/upload/files/dipuralegefitaxafonuretim.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16134ef8184c4b---woxatulopidokarovufosowe.pdfIn PDF document text
  • https://phnews.ro/files/file/70633887782.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/uus8b6qota097fu46oc38qgc92/mukazipezenexafejizezusa.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c298ab0590---55633711825.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/sizorujiguto.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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