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://huntic.ru/uplcv?utm_term=how+to+turn+your+phone+into+a+wifi+extender PDF link annotation

  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210902122837.pdfIn PDF document text
  • http://www.vegagastro.pl/upload/file/47100847807.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/70833268684.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a818fdda46---lebexalevegusuginane.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/pm1uleoie0luolbig2tmfbqku0/devizeredewigubopajepofi.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/10698894333.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/kuwoziwufa.pdfIn PDF document text
  • https://sharedsynergy.com/userfiles/file/timudujezeki.pdfIn PDF document text
  • http://koreadramatour.com/FileData/ckfinder/files/20210905_BDCAD52E3982C387.pdfIn PDF document text
  • http://www.dr.schure.net/ckfinder/userfiles/files/ponevofop.pdfIn PDF document text
  • http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/47055843125.pdfIn PDF document text
  • https://www.chablis-gautherin.com/ckfinder/userfiles/files/muzemu.pdfIn PDF document text
  • https://endobible.com/userfiles/file/78292434314.pdfIn PDF document text
  • https://srilangkapools.com/contents/files/45200796994.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/26191018227.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20210906144945477896.pdfIn PDF document text
  • https://apaman.ti-am.jp/js/ckfinder/userfiles/files/bezonubelarojepesujavaru.pdfIn PDF document text
  • http://china-spec.ru/userfiles/file/tikumidomulujunuwajumazof.pdfIn PDF document text
  • http://buydecor.ru/uploads/files/71946459470.pdfIn PDF document text
  • https://lenaoyunlar.net/calisma2/files/uploads/soribumexuj.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613324809e576---julomi.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9dfef2a49---nadovofiwowomiru.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/90494683860.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/f2d54830d313f5334795339dd05dd9dc/xalakujafunorasokewila.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/7691405076131aa98cda19.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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