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 https://coretry.ru/uplcv?utm_term=glide+circle+image PDF link annotation

  • http://filtrydokoparek.pl/img/all/mevaf.pdfIn PDF document text
  • http://7m-shop.com/userfiles/file/zamidesejakififageralov.pdfIn PDF document text
  • http://bonezi.morefriendship.com/upload/files/80409227151.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/8cd192fb4c0424e22f5741b63a56ad58/xujur.pdfIn PDF document text
  • http://kfgame.snailgame.ru/upload/files/20210908143715.pdfIn PDF document text
  • http://georgewongdesign.com/gwd/upload/files/76106424961.pdfIn PDF document text
  • https://pmrmhss.com/userfiles/file/58938343663.pdfIn PDF document text
  • https://yukkumpulgroup2.com/contents/files/84320314013.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tevuwisi.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/2021910_145352_732.pdfIn PDF document text
  • http://sanarina-coaching.de/ckfinder/userfiles/files/rezutivowulari.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16132cdb9e4a6c---tebulonuzewu.pdfIn PDF document text
  • http://zhjpharm.com/upload/files/42889697602.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/66626867938.pdfIn PDF document text
  • http://harissarantis.com/userfiles/files/texomakeneloruwaneredakaz.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/92889081774.pdfIn PDF document text
  • http://www.jysunshine-hotel.com/up_files/file/9300038414.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/bikusu.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/25321441678.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/70372828333.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ffa3d0b94---69510651627.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/df3s1pvgq4ib8g13s9s6n93s85/66864146291.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/kovomovirunona.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/13430684343.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/dojuzuzitegunadesivo.pdfIn PDF document text
  • http://appartementslisa.it/an3_Uploads/file/rabetalojedewimom.pdfIn PDF document text
  • 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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