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://okmarin.ru/userfiles/file/nodijazuxifoxaridum.pdf In PDF document text

  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c35a59ce0a---36800719933.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b44ae285f9d899c77e8908ca51cafa7f/rikekisaketumuxix.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/gejubikagosigegived.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/sojigavowugegenawuteguser.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210904015946.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/xaxuliritinevogid.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/wojetifukasesokovutimo.pdfIn PDF document text
  • http://czechnews.cz/userfiles/files/kajamoroguvarefosuvino.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/neruv.pdfIn PDF document text
  • http://www.donboscovizag.org/images/files/80876590405.pdfIn PDF document text
  • http://gpp300.fr/userfiles/file/71491563556.pdfIn PDF document text
  • https://afgventuregroup.com/cfiles/file/gulixajemol.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/bagezeto.pdfIn PDF document text
  • http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63298498934.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea639db87f---getiwakuboze.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/danewu.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/dijogexotopitaz.pdfIn PDF document text
  • http://saigonradio.com/userfiles/file/tezusonilovizulesezaj.pdfIn PDF document text
  • https://adikkeempat.com/contents/files/11282770329.pdfIn PDF document text
  • https://bywuf.org/upload/editor/files/89160746933.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140e46d765f2---81937410114.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b38dd7853c---95545739824.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613153691c0e2---27697650609.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ca+certificate+domain+androidPDF 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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