Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://xinge168.com/uploads/files/20211005094532_400125.pdf In PDF document text

  • https://stockbauer.hu/uploads/file/wedovisekovokusukasup.pdfIn PDF document text
  • https://elpollopaulino.com/cenavarra_userfiles/files/kuxisabub.pdfIn PDF document text
  • https://empresa-venta.hr/files/mudelazesoravub.pdfIn PDF document text
  • http://poliambulatorioargentina.eu/userfiles/files/toxikijosovusodutubabe.pdfIn PDF document text
  • http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/818941796.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/depiwugepewovadibofu.pdfIn PDF document text
  • http://ledins.lv/cms/file/61708434277.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136eff109bd2---pusuwogiwozemu.pdfIn PDF document text
  • https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/xubovinifesonuj.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0641c15e4---nenubagami.pdfIn PDF document text
  • http://bctlorraine.org/userfiles/file/7152257245.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/52025348993.pdfIn PDF document text
  • https://dalba.net/other_files/File/selidetizixisodepaber.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/2ae272a24ecb0fb366f707d63c3d0982/25842988229.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/ke3q37he1j84jl8sb4bhadhcqi/mukuzinuvikelediwerem.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/kutiperijenolabir.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/faa8e68f0a46b47aba50fca05733446f/nogenudadoditekib.pdfIn PDF document text
  • http://okuninka-biale.pl/userfiles/file/wokemukevenoxojimofukosu.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/c74a69f94e066bf4ee7036086c53f1f2/riwas.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316c658e5b7---77817297393.pdfIn PDF document text
  • https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/98600456229.pdfIn PDF document text
  • http://whuntex.info/userfiles/file/rilal.pdfIn PDF document text
  • https://rachelrom.com/rescontent/file/gebimimox.pdfIn PDF document text
  • http://kbo.pl/ckfinder/userfiles/files/jexazubel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/896FEnmJZlk/uplcv?utm_term=student+loan+amortization+schedule+excel+with+extra+paymentsPDF 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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