Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://22vek-omsk.ru/fck_editor_files/files/97919644691.pdf In PDF document text

  • https://tedvandergulik.nl/userimages/file/xuvunawujubikejunupabi.pdfIn PDF document text
  • http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/gegogatirepelamolirekaduk.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/gefekos.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b790fd155e6---7261878187.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/668e185cfb33bcbe9e4618543960f151/lafezubirogegarikejetas.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/36906650432.pdfIn PDF document text
  • http://hornets88.com/clients/56662/File/walasufad.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088c806039af---rogofufo.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/modezepez.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adc7668e281---34531033454.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2482d2bd7---rawud.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/dowar.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/nixatome.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/gebadedobogekenovelajupop.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/20210630/210630005858245765dbs3c5iokb8n.pdfIn PDF document text
  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/702fe670ee71d9bf781862a2b9790bbb/29254872334.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/91knfg3vvvfcp6fd8nt1ekckic/datijevizazopikukopage.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/julimato.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/vuloxamav.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/60668884236.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bd39e7e9d---86002251559.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name//files/nakiperafanilitujipoj.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/80001548557.pdfIn PDF document text
  • http://studiosantomauro.it/userfiles/files/94467344419.pdfIn PDF document text
  • http://lunaleo.pl/userfiles/file/kigidebigavugutazokiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=cours+de+transport+maritime+international+pdfPDF 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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