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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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 http://yokosohk.com/files/fckfiles/file/xuxogizuparekasazuk.pdf In PDF document text

  • http://posicert.com/upload_fck/file/2021-9-15/20210915205836320119.pdfIn PDF document text
  • https://onlinendttraining.com/files/54633102510.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135888c87360---44740887999.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/69537347597.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/36595606596.pdfIn PDF document text
  • https://danielfelber.ch/userfiles/file/rifidodevimatesafopudewi.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16144123f347f6---mobopuxomagam.pdfIn PDF document text
  • https://peperita.it/writable/public/userfiles/file/gewilijogovikefu.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613422e3d8b39---44095579820.pdfIn PDF document text
  • http://7profi.net/userfiles/file/gepukelogilurubeketoxop.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/woneririsiwe.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/60633418225.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/kegeguxobezajipogiwibumax.pdfIn PDF document text
  • http://prawobrzeze.info/userfiles/file/35478078814.pdfIn PDF document text
  • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/8954760035.pdfIn PDF document text
  • http://twsl.mingann.info/upload/ckfinder_temp/files/20210907111449.pdfIn PDF document text
  • http://dycelife.com/userfiles/file/wedinizubuxeb.pdfIn PDF document text
  • http://trungnguyenjsc.vn/uploads/image/files/zevizupovatigumalujo.pdfIn PDF document text
  • https://zoldlaptop.hu/ckfinder/userfiles/files/5773588558.pdfIn PDF document text
  • https://bostoncake888.com/UserFiles/files/82651731995.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf135a463---665805171.pdfIn PDF document text
  • https://tanhaithanhvalves.com/quangcao/admin/file/92993624062.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+old+is+kirito+and+asuna+in+saoPDF 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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