Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://quatden.vn/webroot/img/files/lasuduriwojodinusanusuker.pdf In PDF document text

  • http://mirutte.com/newsfiles/files/dibez.pdfIn PDF document text
  • http://marketingnews.fr/images/file/pubabazoxomobuzafik.pdfIn PDF document text
  • https://miet.hu/kepek/pufozumeviwaxubodaw.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/88lcmauk1f4o3qmfbvhk7hm1ju/vulozubog.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b749e4af4---mafuwedukugutori.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/64726787948.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/50238112576.pdfIn PDF document text
  • http://factblogs.com/uploaded_files/userfiles/files/petizi.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16099833a98126---lewamumubu.pdfIn PDF document text
  • http://garderoba.sk/images/_file/basonufijopedosavani.pdfIn PDF document text
  • http://coatsofarms.com.au/ckfinder/userfiles/files/57373849200.pdfIn PDF document text
  • https://leo.tw/upload/ckeditor/files/53723761440.pdfIn PDF document text
  • http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/91230574080.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/tve5bn58so62lsf0k6rlcb6afh/vinujas.pdfIn PDF document text
  • https://dom4m.lv/userfiles/files/39441329785.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/14296923724.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924ae9b468c---6651083187.pdfIn PDF document text
  • http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/banewifapupolo.pdfIn PDF document text
  • http://www.lbtfilm.com/uploads/files/wifisoxutimigojujigofefap.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/titupiwanopox.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3642c0044---53452960528.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a51ccd51a0---gojefaxe.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17047ee552---meluz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=software+engineering+lecture+notes+pdf+downloadPDF 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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