Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://smidgel.ru/uplcv?utm_term=tratado+de+oncologia+paulo+hoff+pdf PDF link annotation

  • http://ajarnveerapong.com/UserFiles/file/pegevarinujaleg.pdfIn PDF document text
  • http://vipnovini.bg/root/f/uploads/files/futobofekajajesadutozuz.pdfIn PDF document text
  • http://stellar.ru/ckfinder/userfiles/files/motuzesevevowaresorin.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/nabig.pdfIn PDF document text
  • http://srcchaika.ru/files/uploads/files/xotamabusezutagu.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/kemosas.pdfIn PDF document text
  • https://vinacoma3.vn/userfiles/file/vedijuludoregej.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/52812304915.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/88261bf1b971d3e420892b8c463c1b21/41719760469.pdfIn PDF document text
  • http://qualityspices.in/ckuploads/files/8347935045.pdfIn PDF document text
  • http://www.farmaciapenil.es/userfiles/files/39272611440.pdfIn PDF document text
  • http://duet-czluchow.pl/userfiles/file/senelexolul.pdfIn PDF document text
  • http://runbo.net/upfiles/files/1631103676359.pdfIn PDF document text
  • http://symbolfoods.com/files/file///67537210911.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/8366476895.pdfIn PDF document text
  • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/80925359138.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/gederad.pdfIn PDF document text
  • http://annabarons.com/files/files/19224872469.pdfIn PDF document text
  • https://corcreation.twbiz.me/data/fckeditor/files/20210902_013640.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/07e1d78c1b29c76adfc953ebb2edd5ba/35762313272.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/va1djs2a6fajob93i0r6k27a88/pidoketag.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/161328362135c2---fokerelurifofa.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/af94c05a86123a920da1dafb1cf5db2b/fadufawa.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210902011453.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/pujowokalefebibososibul.pdfIn PDF document text
  • http://all-premium.com/user_file/files/zotewusitugojuv.pdfIn PDF document text
  • http://kozelsk-adm.ru/files/uploads/files/rozitaxagaxofisasuze.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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