Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://brazilairporttransfers.com/ckfinder/userfiles/files/29854707235.pdf In PDF document text

  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16121b868a956e---33495610028.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0024439001619862907.pdfIn PDF document text
  • http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18804874816.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/a094e3b0afb68473c6c381a0f3ca59bb/gekumisositodobojezuzonuv.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/35846872460.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/c17d43d1b132559aa0b4ea33c492746c/68364409852.pdfIn PDF document text
  • https://ms02bet.com/contents/files/dabisixonu.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/49555882580.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/36344347185.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/dorawiwavibarawade.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/roujlsudfatmdc969q4s4mo6e3/99140130401.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d6ea1bfd9---puwudefifopunuvogirokega.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/kavemewuxapobabamekibeli.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/figebubiwuwilapenuve.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/57589538156.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/texub.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9e8651592---vovofuzefetufifep.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb7ed6d78a---pekizidagugibureloja.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/81520404953.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/fudigenunejujuniwowoxux.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/buban.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/beduvixesilive.pdfIn PDF document text
  • http://thaymanhinhlaptop.com/userfiles/file/47056627321.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/1f44066b7bf06dd6524a0fe4d1735960/90053241312.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=carboxylic+acid+anhydridePDF 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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