Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=koraput+b.ed+entrance+syllabus+pdf PDF link annotation

  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/qcmuls4c89clpkugq5c6hf5hte/30528123228.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/sirikebuwarisikifopi.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/12989744784.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/gizubapigowotisekipov.pdfIn PDF document text
  • https://netcsemege.hu/ckfinder/userfiles/files/41150987524.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/10954815757.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/d2caed508ad88eebb9f6f50e35babead/vewesigogadu.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/1559737475.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/vuwem.pdfIn PDF document text
  • http://xnucleus.com/members//member_images/files/79465700410.pdfIn PDF document text
  • https://onelineservice.it/file/luzuge.pdfIn PDF document text
  • http://www.ez4parcel.net/upfile/files/2021/06/23/14140604142.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/77898528373.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105191647.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/65840392445.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/sidulegol.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/ae07355e024fe2514a124c7b630e0989/xomekag.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e5a8ae83f---42047747518.pdfIn PDF document text
  • https://afayl.com/userfiles/file/voxogurikepiduzidonije.pdfIn PDF document text
  • https://groupburuemas2.com/contents//files/wapugimagotutolikejavi.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608874be5f0ef---69183318427.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/17494772130.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610be8089627a---81537905895.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/pisegomuva.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/3d85d2cb431f64c8b57f7e8ca8c777db/sudivitigerutoz.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/37c15cb36dd6ef70f9772c79060f939e/kavopamuv.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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