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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation 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 https://sozejelef.weebly.com/uploads/1/3/4/6/134600180/e650da7c2b862.pdf In PDF document text

  • https://hunglivet.com/uploads/files/202204100248409280.pdfIn PDF document text
  • https://firuruxuzero.weebly.com/uploads/1/3/7/5/137502241/rawinolo-belonotixodoso-tinepuge.pdfIn PDF document text
  • https://dilevebo.weebly.com/uploads/1/3/4/5/134582641/8131769.pdfIn PDF document text
  • http://full814.com/upload/files/livixodajetamebiwol.pdfIn PDF document text
  • http://cdut.kiev.ua/kcfinder/upload/files/wugisefexajigovisepu.pdfIn PDF document text
  • https://mastirz.com/userfiles/files/61782857582.pdfIn PDF document text
  • https://zudejuzire.weebly.com/uploads/1/3/2/6/132681250/f5c4deb69fe6.pdfIn PDF document text
  • http://autodilygood.cz/files/file/jevilugode.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/baguvopelejefusawofawone.pdfIn PDF document text
  • http://pr-jam.com/ckfinder/userfiles/files/92921805325.pdfIn PDF document text
  • https://vobawele.weebly.com/uploads/1/3/5/3/135334277/6175122.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16210a2f751f6e---40451791748.pdfIn PDF document text
  • https://norudajesopoz.weebly.com/uploads/1/3/4/3/134340776/4202790.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/topbvtiqcj8umbe5errhb4opeh/bulorake.pdfIn PDF document text
  • https://kusejibetejoxer.weebly.com/uploads/1/3/4/7/134749151/zimomexijawef_xogowebof.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/giwizivalorej.pdfIn PDF document text
  • https://totszerdahelyikultura.hu/images/file/lolurisarejokuko.pdfIn PDF document text
  • https://zawanudodulir.weebly.com/uploads/1/3/1/4/131452903/3825853.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16239faf344f57---43233568495.pdfIn PDF document text
  • https://loheb.co.za/YmrXLWy8?keyword=rinnai%20r75ls%20code%2011PDF 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 extracted file (font_00_sfnt_off0000b68f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b68f.bin)

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