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://coretry.ru/uplcv?utm_term=story+elements+reading+comprehension+worksheets PDF link annotation

  • https://www.hkfew.org.hk/ckfinder/userfiles/files/60924755562.pdfIn PDF document text
  • http://flyingkirin.com/uploadfiles/file/141921367816.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/75375491123.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/46415910100.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/89556383383.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/files/68171442957.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/45895442275.pdfIn PDF document text
  • http://esistore.lu/userfiles/file/30563309943.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/67714585752.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b05389b87eab8fdffac77358d4fc28be/lorebesijigapef.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161875fb155c5c---memulipetovobifisogesof.pdfIn PDF document text
  • https://episcopiaoradiei.ro/files/jonigukefeveruwevavas.pdfIn PDF document text
  • http://veronikavilla.hu/userfiles/file/10755463029.pdfIn PDF document text
  • http://worshipedia.net/sites/default/files/file/42424376273.pdfIn PDF document text
  • http://yachtandgulet.com/userfiles/file/fiwunidopemikuledugof.pdfIn PDF document text
  • https://dadrarad.ro/userfiles/file/90518761292.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1616eb35ad835a---78659031009.pdfIn PDF document text
  • http://bytip.net/filespath/files/20211007172337.pdfIn PDF document text
  • http://infypos.cncmonitors.com/infyposcms/media/wikewamukarodenaf.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/86164659301.pdfIn PDF document text
  • http://langfordfinancialservices.com/userfiles/files/lutetejon.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/bumug.pdfIn PDF document text
  • https://badoza.net/userfiles/file/jirubokidunox.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20211115_073314.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/59649031470.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616bb977b39f7---77622859279.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16178c1ac87747---gudamudilazurasesizekorur.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 extracted file (font_00_sfnt_off0000cad5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000cad5.bin)

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