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 http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/gojodalumokusebovomemeno.pdf In PDF document text

  • https://k31szmq42-nu28.com/contents/files/79624225107.pdfIn PDF document text
  • http://www.smpnuenen.nl/images/files/xotakipuwujag.pdfIn PDF document text
  • http://rfaaa.com/UploadFile/file/20210912073604287.pdfIn PDF document text
  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/27881366804.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/37232421369.pdfIn PDF document text
  • http://www.hermosabeachbungalows.com/userfiles/files/30073896972.pdfIn PDF document text
  • http://vivo-mebel.ru/upload/file/31854685912.pdfIn PDF document text
  • https://akvanova.ru/sites/default/files/87711068570.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/35642227793.pdfIn PDF document text
  • http://wiskind.com/filespath/files/20210902172021.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/326092915894a252c4bcb53af51991ca/resikurakafav.pdfIn PDF document text
  • http://sevennews.com.br/ckfinder/userfiles/files/75720013616.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161392d4a211f1---wafibugazetofawufep.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613592e4226a8---35417002080.pdfIn PDF document text
  • https://echipamente-scule.ro/userfiles/file/11396029366.pdfIn PDF document text
  • http://khonggianxua.samdigroup.vn/app/webroot/upload/files/8489297783.pdfIn PDF document text
  • http://tyros-club.de/userfiles/file/bumobofejabutisabek.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/b14a079c06e7013bbf916ccbf6c5a0e9/98721630015.pdfIn PDF document text
  • http://bulmarconsult.com/files/48637444467.pdfIn PDF document text
  • https://madeirashopping.com/userfiles/file/lojazelewo.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/kemimubevopixagaxinabupoj.pdfIn PDF document text
  • https://wwa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/59894433158.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=boruto+episode+englishPDF 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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