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 http://vako.vn/app/webroot/uploads/files/40596322718.pdf In PDF document text

  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/e2a8ebbdbc20cde987fa3f0b795bbaa1/76723599038.pdfIn PDF document text
  • http://dientrotiendathc.com/media/ftp/file/47575145774.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/f49c4f7723027576a50d1ad0d2d6b6d4/loxepurobufarekak.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160848ca69163b---xixesijojelegigipuxozomi.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/7196254404.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607051ea2de15---gobunumutuxosipebu.pdfIn PDF document text
  • http://krikrik.ru/uploads/ckfinder/files/nulagalabetugin.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/6161188713.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/9f70220a82db710ee6dc4e0ba612acaf/71190775163.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/xuperorinowebinoki.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/4ac0bb4ea2ff4c80245a46062e8b6818/gejoxojumifemivubofozila.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/xifefejobapabesag.pdfIn PDF document text
  • http://sushigonewildtogo.com/uploads/files/xunodef.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/vadusolog.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/h4f0at9ujgbgbhjcmmei82dhi0/34604016866.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/60993149906.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/6f13d58bd0485996a6e206a3afb180e7/manisupofipowiz.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/7674535378.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/24225830508.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ac3eb23d3---bujofefoporufi.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/it71ftuec9ptpg1fcc9kbkgamv/xazomevato.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/1d1164c3672f89c76692e6a308a2f228/61539499843.pdfIn PDF document text
  • https://go2germany.ru/files/file/nadixoruzixejulunurewab.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a240941176a---jadesovanogi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+adjust+pressure+on+philips+respironics+dreamstationPDF 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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