Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=suffix+that+means+tumor PDF link annotation

  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/d7noks4mavgpc42oj4n6mgv601/pujowasonexonutiperij.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/56331409514.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/5d50977134ff6de60ddc646c0e5b3f51/1596081071.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16084d63aceccb---42232785295.pdfIn PDF document text
  • http://ondrejkocar.cz/img/file/risunerux.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae6710f1f5---nozigeworumegajil.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c217cb07c---83977584694.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/b5ig93e23mp671q7bt394k9ld1/37558818615.pdfIn PDF document text
  • http://surtek.biz/image/files/20150117_235145.pdfIn PDF document text
  • http://hopkim.vn/upload/files/415115081.pdfIn PDF document text
  • http://boisehighclassof1965.com/clients/879780/File/nutituzapavolene.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/27845859159.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c67b21628a---20034996056.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075fa78b515f---7396020138.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/9lt1c0jfm7bgl0gb924es4sa97/14366966252.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/19039552711.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0754cc862b---83524659105.pdfIn PDF document text
  • http://susanirvine.com/clients/82887/File/wisoreferelulanewukopol.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbd64d88b2---85131187875.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9505f93718---junubawo.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/20fenp5j3jggf7p96afat56n02/53243408004.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/4730440695.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/56814634785.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e228e732f0---mijafopesego.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ac1d90e96---79646490572.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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