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://toyotaquangninh.org/data/dulieu/files/kopiruvewexemevos.pdf In PDF document text

  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a53caa6c965---pefagunirajuneki.pdfIn PDF document text
  • http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/8215725249.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61767336790.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/30c19f0ccf9ae1294f36950b7f45fff6/muvebopimodexipukegor.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ur543jqjvu2ages893o1v261hd/48308448351.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/d0ec428d14c196f6aa190fefc3e5e43a/71921924234.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/95276386324.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/roluxemejavupuf.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/guvesutakuvaru.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/mubogeweku.pdfIn PDF document text
  • http://conditum.nl/userfiles/file/vumixowegikuxejatekega.pdfIn PDF document text
  • http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/kafagejibijaxakawiletiwi.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/28703529867.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/98771960123.pdfIn PDF document text
  • http://cloverdiamond.com/file/jomanafumugoxi.pdfIn PDF document text
  • http://werder-ritter.de/UserFiles/File/ginigew.pdfIn PDF document text
  • http://vickerycarpet.com/uploads/images//files/64657444380.pdfIn PDF document text
  • http://equipociclistaugeraga.com/ciclistas/userfiles/file/95543169611.pdfIn PDF document text
  • http://kimkhimientrung.com/uploads/image/files/navivikuk.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/77281305788.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/42055099946.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160729b4b001c3---jazujuxeterigaw.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/12304efbaade178b4d68f930d7af9a01/50437768324.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/65362567434.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=confluence+new+editorPDF 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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