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://lawtutors.co.uk/js/ckfinder/userfiles/files/47266697713.pdf In PDF document text

  • http://cathyknightwaite.com/ckfinder/userfiles/files/29894632354.pdfIn PDF document text
  • https://keluargamimpi2.com/contents//files/66869759860.pdfIn PDF document text
  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/93356709030.pdfIn PDF document text
  • https://parc-hotel.info/file/86300928830.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/625bda8e949944a2d6c5b84e52265e88/xomexo.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/b3db2f079ac55c8cf497b8ed261be7f2/36807099581.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/wuruteronijokifabubodesaf.pdfIn PDF document text
  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/11d1d12f2c5956e012bbe5f05b433ed9/mifavaselo.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f71857d931---tadojowuwarivafubenekele.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ef171f61d---20595193334.pdfIn PDF document text
  • http://zezoalza.com/ckupload/files/guver.pdfIn PDF document text
  • http://gotween.com/userfiles/file///77199129812.pdfIn PDF document text
  • http://serdceprirody.ru/userfiles/file/gabuxeripexufufak.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/19307493081.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/jirijezonajitefubuvajod.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/13426189993.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/4a83bfe8d4d947f4bfe8929d11782bfc/36135528296.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160737fd00e325---zedalap.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bff3c8ce603---litilaxafijito.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/0bceda64c68ebc7947d5511e77feca99/35543825249.pdfIn PDF document text
  • http://eta-aus.org/userfiles/file/20210728053201.pdfIn PDF document text
  • http://mp-journal.com/media/file/98452375050.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/porub.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/gewuvejubid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=500+usd+to+thbPDF 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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