Malicious PDF — malware analysis report

Heuristics 5

• 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://okna-kursk.ru/page_edit/_samples/userfiles/files/69886982229.pdf In PDF document text

  • http://bukvoznaika.ru/ckfinder/userfiles/files/58156255558.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1292470a11---40592161067.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/xepepejurek.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e4f315f07---bosonejeresitomagexuror.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2a7bd0e25758d392267ab7c5a5314431/pumulezanu.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/fegapixe.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160835f2d0d1ed---kizafigikixikejavup.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/j63s1u24f3j3hs2hptkjlrttr5/33562170280.pdfIn PDF document text
  • https://inifd.london/uploads/file/tegavufepepo.pdfIn PDF document text
  • https://doctorchina168.com/upload/files/fapiwupegu.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/webigoxusilomir.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/gomexokav.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/78238104145.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc075580d9---46163459262.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/paxewadujalimovasar.pdfIn PDF document text
  • http://diegogenna.it/userfiles/files/vizoxoresepenowumixodapa.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3765669c3532369fce538cd2e72bc9b9/9184662637.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b289415af3a---28982568132.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/anbbs1sq7nfsgopraj3ti94d70/xemewuvi.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021081102050267.pdfIn PDF document text
  • https://kampusogrenciyurdu.com/file/ruxemegirufupotiw.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607881275a499---zumakunumotuvow.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/72472757214.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b78327a2732---timelajigivofuputosi.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/82145939720.pdfIn PDF document text
  • https://oasis-travel.ro/files/ropaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=dml+commands+in+dbms+pdfPDF link annotation
  • 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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