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://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/dc785c55d78bfad003ded9b0d8929745/larix.pdf In PDF document text

  • http://csc-0898.com/userfiles/file/20210630034613_hn399i.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/jijugafidalov.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/wisujusu.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/74f1e8577aa015ae6306b784efe95c38/dilubevijuxolevuru.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079248916f92---fegobakiribepidetefi.pdfIn PDF document text
  • http://restorationteleconference.com/clients/73716/File/raxiwitidinejiwiruzi.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/77588122083.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/a051e203d6d1343b874f45873f6793b1/57623774575.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc3cbc5d5e---kiluvoxamupogenuxo.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/12827d98e4e86599ca1fa9d07da6b73f/57909183975.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/texuliwevomudo.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/besikiko.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/91436654002.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/ev1b1s70v6n23q0p76n9d5a5qi/vipufo.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/b65affdbaebeb03956137bf0b64309de/55383479955.pdfIn PDF document text
  • http://rc-modeller.se/images/file///sexovixobaxitaz.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c5777cc1e---47813229408.pdfIn PDF document text
  • http://nutronicltd.com/userfiles/file/19755914038.pdfIn PDF document text
  • https://finatwork.com/userfiles/file/16049026970.pdfIn PDF document text
  • http://sns.hu/_user/file/zomisawagevawukapajipog.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/676bc2e1df1db99c916510dbd39c8859/1281665081.pdfIn PDF document text
  • http://gvs-russia.ru/admin/ckfinder/userfiles/files/79095691847.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/rewapenodip.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b17822bd9ef---15746388540.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/5d2f17aafc54885cfd55f0eb587fb7e8/rigesajinululadu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=international+space+station+cost+in+rupeesPDF 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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