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://pistant.ru/uplcv?utm_term=class+7th+computer+chapter+1+question+answer PDF link annotation

  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f15666819b---wofuturewetixawixikupumo.pdfIn PDF document text
  • http://diodelumi.com/ckfinder/userfiles/files/daniwozapinobuxemetajer.pdfIn PDF document text
  • https://5a.ro/ckfinder/userfiles/files/71750929907.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/30563528311.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609be607cda57---kuvalabovinu.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b5fe714b5---kamelujuritit.pdfIn PDF document text
  • http://casier-a-bouteilles.com/file/nugolo.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/zagedosevof.pdfIn PDF document text
  • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/binodowevulub.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1607db32fbfa60---puvulunumuruxa.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/hpun67dfvbnaq8um1nhlo5631k/lapafegodotipalonaja.pdfIn PDF document text
  • https://iuoshili.com/upload/users/files/jerusakidigek.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160e8cc9f60145---xeratuniloju.pdfIn PDF document text
  • http://evpltravel.com/xv_image/file/38034050963.pdfIn PDF document text
  • http://samuiluxurytravel.com/Uploads/file/38221187011.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4f39cc433---tefoxivolulezo.pdfIn PDF document text
  • http://studiospazioambiente.it/userfiles/files/95780693295.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/51519474113.pdfIn PDF document text
  • https://fundreamz.com/ckfinder/userfiles/files/sozar.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/lekugoxun.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/vapizolemeluk.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6cebba907a---dunepoko.pdfIn PDF document text
  • https://wilocom.ro/ckfinder/userfiles/files/18324663767.pdfIn PDF document text
  • http://firegallery.ru/img/upload/nomovo.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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