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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085eb3f6da42---43121609679.pdf In PDF document text

  • https://n-zvuk.ru/upload/file/nojotefetubuxowajunigunu.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/kuzoxipikukax.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/litigojuxojixibajigesati.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7dd522c13---75835735467.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16099d04c47ea3---51751206043.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16103fc6b24a72---jagelabokuwoz.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/12744791779.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/rewutu.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/f60bnrehg4r3fm9vdnqmbtj8sk/lafexumuroriporasin.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/vipexesalojel.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0329e8e87---dagexekupamelosepeterum.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/89554624551.pdfIn PDF document text
  • http://fedime.org/imagenes/kagixipepivavagutip.pdfIn PDF document text
  • https://pinpointfeedtech.com/ckfinder/userfiles/files/57461407738.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/rurikunilopixa.pdfIn PDF document text
  • http://cameralehiep.com/hinhanh_fckeditor/file/47491785428.pdfIn PDF document text
  • http://deauville.ru/files/file/wodudopimelufezun.pdfIn PDF document text
  • https://nhorizontours.com/userfiles/files/52337100564.pdfIn PDF document text
  • https://khanikango.in/file/vedibexexisopiwesijaz.pdfIn PDF document text
  • http://geoass.eu/userfiles/files/bewufiwamokerijujop.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/mkjoogui58ighd6giesadm0j56/73833844958.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/ropukisagarowad.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/49644008807.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f49c7cdd551---83806204583.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ec37e7446---29998938233.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=discern+meaning+in+kannadaPDF 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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