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://archism.ru/uplcv?utm_term=auto+android+apk+2020 PDF link annotation

  • http://kaymccarthy.com/immagini/file/17600764565.pdfIn PDF document text
  • https://at2-turbo-j3t.com/contents/files/36339387103.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/cd62c1780413e27c03107c8e27f0f69c/buladiribox.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161413ac6587cb---96521754374.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-15/20210915171033138797.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/50698796052.pdfIn PDF document text
  • https://cupanghitam.com/contents/files/delejup.pdfIn PDF document text
  • http://baschin-heizung.de/meineBilderAlbertGrundschule/file/jeposo.pdfIn PDF document text
  • http://poddertradingandindustries.com/userfiles/file/44168379922.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/xuretipuwaril.pdfIn PDF document text
  • http://giovanninociti.com/userfiles/files/muzite.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfa8b521b3---pefebuvepifavepefiriteb.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/1432467081.pdfIn PDF document text
  • http://snabsz.ru/ckfinder/userfiles/files/55119987906.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/fofogodolirokagitezib.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/96896883101.pdfIn PDF document text
  • http://studiosiciliani.eu/userfiles/files/96224474864.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/15315952835.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/614247eb4176a.pdfIn PDF document text
  • http://palaciodelosnavas.com/userfiles/file/68352444712.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/gujazuguxilorelobujamit.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/93168701454.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/41265518281.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141970f3a097---vikesipozidunatezalunujel.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613155e77cd25---70358587753.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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