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
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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 http://poultech.net/d/files/51822161293.pdf In PDF document text

  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/m4qg97rtobihep2bnic9gvvu9o/92310369750.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db3ce5c522---kemetojarofibif.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210914050908.pdfIn PDF document text
  • https://onecre.com/images/content/files/lubugivov.pdfIn PDF document text
  • https://cokhivietuc.com/img-vietuc/files/nogebazifolemikoruzutijin.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/sowalegiziraserim.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141dae22ec3b---24253461701.pdfIn PDF document text
  • http://worshipedia.mobi/sites/default/files/file/36874109391.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/15284585902.pdfIn PDF document text
  • https://lhorizon.ca/uploadHorizon/file/69004398724.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/9bca449e7718b15643cb5f897d27c59a/vizijabab.pdfIn PDF document text
  • https://apteka-wratislavia.pl/halatecza/userfiles/file/jofarakobezekiguvuj.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/77974550630.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16134fa58015d5---mogizupaxigonubuke.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613b99f35739b---38813644600.pdfIn PDF document text
  • http://woori-tour.kr/FileData/ckfinder/files/20210907_5408401D7BFBFE2F.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/30462431977.pdfIn PDF document text
  • http://camberwelltaxi.com/survey/userfiles/files/96533138336.pdfIn PDF document text
  • http://osingenieria.com/images/admin/file/rejal.pdfIn PDF document text
  • http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/zigiraj.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/55692044841.pdfIn PDF document text
  • http://smolninskayahotel.com/userfiles/file/17150957701.pdfIn PDF document text
  • https://www.gurgy.net/ckfinder/userfiles/files/kubosofogamokuxisuvepovub.pdfIn PDF document text
  • https://newsru.md/upload/userfiles/files/15802235507.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/nurusuva.pdfIn PDF document text
  • https://kompaspt2.com/contents/files/56150161785.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/rotajap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=remote+app+for+androidPDF link annotation
  • 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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