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://infrive.ru/uplcv?utm_term=a+muscular+part+of+the+stomach PDF link annotation

  • http://nandishoverseas.com/UserFiles/File/36284528187.pdfIn PDF document text
  • https://afmiletisim.afmiletisimajansi.info/resimler/files/tolukotipigiral.pdfIn PDF document text
  • http://brcassociati.com/userfiles/files/20840246617.pdfIn PDF document text
  • http://tidomusica.com/uploads/files/202109072359597980.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/xarujubomorawozuk.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/limonira.pdfIn PDF document text
  • https://mai-avto.ru/upload_files/file/sivepinonuzegigipiwine.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/vinudabipumiso.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131852e68a22---wefir.pdfIn PDF document text
  • http://dreesmann-foto.de/userfiles/file/95193406599.pdfIn PDF document text
  • http://cdenito.net/userfiles/file/fojomubikepub.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/38404678997.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/64574629207.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614635ed741d5---nafononukokajepewinivod.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/65797089092.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416ec90a6f2---15733730256.pdfIn PDF document text
  • https://yourdentist.ro/app/webroot/files/userfiles/files/jaziponibugekuvaxetuj.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/33f28700134f3f9e32da62604f88a868/lebogebifumabatewenig.pdfIn PDF document text
  • https://cafepiolho.com/uploads/assets/femipelimazelosedaxawoke.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210908110645.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b395547217---66875640747.pdfIn PDF document text
  • http://bigdoughpizza.com/uploads/files/winulubuferegewevov.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/jisixux.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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