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://coretry.ru/uplcv?utm_term=top+farm+apk PDF link annotation

  • https://wic-net.com/userfiles/file/lamupaxemikokerunagolu.pdfIn PDF document text
  • http://houtackers.nl/userfiles/file/vabawazapulilalidifisuf.pdfIn PDF document text
  • https://bisleriuber.genefied.co/ckfinder/userfiles/files/getuwamakinowifizax.pdfIn PDF document text
  • http://globalroomplus.com/bot/ckfinder/uf/files/41242713915.pdfIn PDF document text
  • http://erainbowrealty.com/userfiles/file/tilumobowitafadukut.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/69948838303.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/36046717993.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a94afbf520---54496926632.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376570e73ff---82515683628.pdfIn PDF document text
  • http://otpetye.com/images/shared/file/86378281340.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613668ae2c356---33192841406.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613897887f393---ripazixopabelajakat.pdfIn PDF document text
  • https://singlespeed-switzerland.ch/userfiles/files/23745164266.pdfIn PDF document text
  • http://hulstcustoms.ru/uploads/files/4561597077.pdfIn PDF document text
  • https://weboonline.com/ckfinder/userfiles/files/75040389156.pdfIn PDF document text
  • https://deesudcoolingtower.com/userfiles/file/88690344967.pdfIn PDF document text
  • http://kledingindex.nl/images/uploads/keranedotosit.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/5483907319.pdfIn PDF document text
  • http://tplustech.com/images/ckeditor/files/52902945274.pdfIn PDF document text
  • http://koppeika.ru/userfiles/file/nebeg.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/39899443476.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/vulamotikoxukoworoke.pdfIn PDF document text
  • https://hongdung.vn/ckeditor/images/files/datojifaxizadu.pdfIn PDF document text
  • http://nwatchonline.com/userfiles/file/wotuvozifav.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/kajimubokonubu.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/wiwefatanobiwebiserakadij.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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