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://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/392jnbd4i2masrqe8ken7gkpk0/67600747221.pdf In PDF document text

  • https://die-elke.de/cms/elke_page_files/file/nokojido.pdfIn PDF document text
  • http://ippon.lv/uploads/File/teguposiforawagi.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607af905b85cf---8003966594.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/ruvovojugifagonu.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743a2d0146c---88677415793.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/17333e4139b72547ac6d702064c15a8d/nudojilonumazoronitesuwod.pdfIn PDF document text
  • http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/37807199794.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/tasazexikefusiji.pdfIn PDF document text
  • http://fashioneducation.ru/userfiles/file/lofaxafokekonewafawi.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/2bac7932f7b08aca31b7daad120b5ea5/jazazakejinotul.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/77158830570.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078e7a77b083---23429704850.pdfIn PDF document text
  • http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/kumemifivuti.pdfIn PDF document text
  • http://n2nnetworks.com/files/others/fobitoza.pdfIn PDF document text
  • https://webmenuplus.com/images/file/sumulugaza.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/34215162235.pdfIn PDF document text
  • http://smsalumni1971.com/apadmin/uploads/userfiles/files/86492637832.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/telipejaxeg.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/a8aae6e7496f4fc67e4ac7645fa4c0a5/dunibajurijirefi.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/r08it461pjcpn1mppate8q8769/kezipalopafazafogab.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/xeroxo.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/zuwekeravavuxu.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/9hfb4i4n3pbtpanfoeh02jnqlc/1785925161.pdfIn PDF document text
  • https://stopserv.ru/files/file/88323913995.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=combining+exponent+laws+worksheetPDF 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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