Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://crysiq.ru/uplcv?utm_term=convert+vitalsource+to+pdf+online+free PDF link annotation

  • http://www.dr.schure.net/ckfinder/userfiles/files/13305429308.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/wifefadapolobamiro.pdfIn PDF document text
  • http://bitree.net/ckfinder/userfiles/files/pidufux.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbde5e24bce---34354252399.pdfIn PDF document text
  • https://jaukiaplinka.lt/ckfinder/userfiles/files/18345259784.pdfIn PDF document text
  • https://rajatotogroup3.com/contents/files/18720006540.pdfIn PDF document text
  • http://veterky.ru/ckfinder/userfiles/files/47223413683.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610312e942220---terafakaviluvodinemoreleg.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/f3eaeaa203379c3e46ea0296780477ab/babiputeratuk.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c85849c141a---99433843219.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/4726732201.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160a64786ec2d8---pusegosubikururepazazini.pdfPDF link annotation
  • http://wajl.net/img/file/20216284528.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/b25c2e43f67408a1be957a92ad5c938a/zalotose.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f49282364bf---44179982270.pdfIn PDF document text
  • http://thefertilizerequipment.com/d/files/kotigapixub.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/74438126020.pdfIn PDF document text
  • http://sigep60s-ncbeta.com/clients/44785/File/bijil.pdfIn PDF document text
  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/477fc021d5b5c825f9a6c03f368ac761/nodokajibutu.pdfIn PDF document text
  • http://suncitygroup.ir/basefile/suncitygroupir/files/tutegegar.pdfIn PDF document text
  • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/nisudiredarumozudixa.pdfIn PDF document text
  • https://eownauto.com/uploadpic/files/9657653352.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/tk1rt1sj7tpd3pjk015bdmi2kn/93267262892.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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