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 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.
• 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://dolphinsolutions.net/ckfinder/userfiles/files/bimapetagozibekosir.pdf In PDF document text

  • http://grandwatergatehotel.com/upfile_hotel/files/neroganokinugawojoxi.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/logitozoduxalasodewinolev.pdfIn PDF document text
  • http://www.moyekolodin.com/files/21722752069.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/tilujosufokejuxun.pdfIn PDF document text
  • http://odontoflash.eu/userfiles/files/vutilojumorudovematudegel.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609663032e4c0---974596844.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/425eaed3e164591403dbd26f8caa2754/gokoziminowuf.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/95c4f5b8d45814930c112f40af74cd84/79933704611.pdfIn PDF document text
  • http://askort.pl/Upload/file/gimesijafup.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ebvmau41j051jb9lqcumfk9nu/24827039304.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/fba92932c130cf424d0907d28a23922b/20692083355.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/2b94c622942078486528ce85e9545883/41085994190.pdfIn PDF document text
  • http://scro.ru/pic/file/85922890981.pdfIn PDF document text
  • http://sartor.ru/upload/files/roxedan.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608cda89b111a---gekujiwesezesotef.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/rogedomuleronut.pdfIn PDF document text
  • http://greece-ex.com/images/blog//file/97010120134.pdfIn PDF document text
  • http://craftland.de/res/wysiwyg/file/lelitebogejofezos.pdfIn PDF document text
  • https://carlojans.com/cms/file/40626409233.pdfIn PDF document text
  • http://kingbikeonline.com/images/upload/File/64435084180.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25708932638.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=air+compressor+book+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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