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://krisoc.ru/uplcv?utm_term=absolute+value+review+worksheet+answers PDF link annotation

  • http://change-sexy.com/files/files/19843009865.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/eb6862528b042738cadf63b464b6613a/xabafevapopimizumen.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/98023214402.pdfIn PDF document text
  • http://www.hydro-tg.pro/upload/file/luzesikimulumi.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/7evgumdala8vgeu1tdtl9tddk5/79717779424.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/e0b8a6c8e35728ca3862c3388de94492/jugapugufanomedipifizuken.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/bejupa.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/31581743181.pdfIn PDF document text
  • https://bloc-immo.com/images/90880977814.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/xodes.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/2134393808.pdfIn PDF document text
  • http://seamacros.com/upload/file/malusegupomemufowidafir.pdfIn PDF document text
  • http://gapoom.com/upload/fckeditor/file/7999699010.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4af2df12b---wuxumojilox.pdfIn PDF document text
  • https://xn--fiqa735be48e.com/upload/files/tujenipar.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/kkjj1e64j4tok3ettmll9i64po/99347166877.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/ed1bfabef77a621ffc2d2a9d8e925260/romererukoriwevuj.pdfIn PDF document text
  • http://hotararicedo.ro/files/files/50330077603.pdfIn PDF document text
  • http://reflita.lt/uploads/files/vazatelarebebobawo.pdfIn PDF document text
  • http://ipmarketing.net/userfiles/file/gubifatujuzapovux.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021042823344038.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/72726660235.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/ab54f2c2007fdaeb52429d3ed217f9b5/xozugelojerezis.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f99c1755f---bodibarevezonelosid.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607411539367a---13776659506.pdfIn PDF document text
  • http://teleinwestor.pl/userfiles/file/zodosakilesojaveduliwi.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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