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://garglob.ru/uplcv?utm_term=invertebrate+worksheets+for+3rd+grade PDF link annotation

  • https://sogelec-eng.com/files/ckfinder/files/vananasatalatu.pdfIn PDF document text
  • http://ajmason.com/admin/ckfinder/userfiles/files/37979424035.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/duzopuxatiralar.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/60292202871.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/25397144553.pdfIn PDF document text
  • http://purepoem.com/resource/docContentImg/file/2021-08-25/871be08df8b4b841b5a798e68d04eb1f.pdfIn PDF document text
  • https://istanajpdua.com/contents//files/letomaj.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/vuwamuvedazelubejez.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ucd998824dlu715fd1pjmart2m/zoxupul.pdfIn PDF document text
  • http://iltorg.ru/upload/file/66642506182.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b775ae49d38---bikukakewokaruweti.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/46498003949.pdfIn PDF document text
  • https://daks-96.com/f/uploads/files/29120550617.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2159f3de5---zeporapowosexolip.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25330585991.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765cfc060e9---57386684991.pdfIn PDF document text
  • http://tlw.ro/UserFiles/file/51591407033.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/simaxalujitibaxidibenetin.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2a80be325f2a3a371eaf72bc85f2ff42/mavifusedudagogizugakitap.pdfIn PDF document text
  • https://12shio1.com/contents//files/muvekise.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72873585617.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/vobijuwexafigakuf.pdfIn PDF document text
  • http://fecirturizm.com/resimler/files/57018335515.pdfIn PDF document text
  • http://stavclearing.ru/upload/files/42567907037.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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