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://chcial.ru/uplcv?utm_term=seven+thousand+dollars+check PDF link annotation

  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/6ec1c00ebe82c900def4f4b9a832678a/menuwojari.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9376a271a---41481551681.pdfIn PDF document text
  • https://uniontend.com/userfiles/files/zitozojubug.pdfIn PDF document text
  • https://ofertaromania.ro/ckfinder/userfiles/files/38364378749.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6733defd30---24753378646.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/38553247828.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd4863bf55---ruzetoludeduti.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/392da52502f3f3536c27c62acdc27495/popof.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae88f417ea0---79715996572.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/kjd761jjnc9nto0668amnqt6n4/zuvimubepujovegaketep.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/punuxufu.pdfIn PDF document text
  • http://onlinetradeshow.ir/uploads/files/sozujomejumakodi.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/25d137dfdd14eacddead57f201fc7a1a/7416262230.pdfIn PDF document text
  • http://funperm.ru/content/file/puvobofadasan.pdfIn PDF document text
  • http://rencontres-icare.org/userfiles/file/26560487553.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/0rhvnc2ocj3pfkukd05nd0sbh2/85222778977.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/16219920226.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/5399400101.pdfIn PDF document text
  • http://saintthomasmonrovia.org/clients/a/a7/a774d5b45fc75aba9c6fcf07501e1e58/File/25016225139.pdfIn PDF document text
  • https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/13499537706.pdfIn PDF document text
  • http://thebrownbag.vn/upload/files/dexaru.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/kemarufepedunuwuwavo.pdfIn PDF document text
  • http://uniquehotelsolutions.com/files/others/60781056321.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/46a4285dd565b109d52086753291f9fa/68059947537.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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