Malicious PDF — malware analysis report

Heuristics 6

• 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://www.epicbrands.co/wp-content/plugins/super-forms/uploads/php/files/003defd5abe002149c38a5b4c460d17e/kiwuxune.pdf In PDF document text

  • http://lobi.md/userfiles/file/mogimawebakibol.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/79529392997.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/3c72695230f8e2736a1016a27dc78082/jonizamepijeru.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/2e4efeca74793ee0e22eb4f309f9a2be/8736640347.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7f9e09031cc8dc1f24352c386ac71344/vugetiporexa.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/161254a91b3df2---97758368872.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609b33dfcb806---4551046878.pdfIn PDF document text
  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/ce2a7f1fdfa9b25dfe06f0161d9b4897/62020495990.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/wenerelel.pdfIn PDF document text
  • http://deforma.it/userfiles/files/sasizijibek.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/7e499c3ba6320884c2fe637474295d81/81240438943.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356b0a9741f---21500173541.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/87979685279.pdfIn PDF document text
  • https://printsolutions.ro/uploads/wysiwyg/files/45952228154.pdfIn PDF document text
  • http://sictombbi.fr/ckfinder/userfiles/files/kotojizukefararirexoku.pdfIn PDF document text
  • https://luminex.pl/upload/file/mazivavilanuletas.pdfIn PDF document text
  • https://dunakanyarfesto.hu/ckfinder/userfiles/files/jekebiwovom.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/motefejevowelosavubuso.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/17474614052.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/fibaragadefuvekodiserof.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/87833304123.pdfIn PDF document text
  • https://olterus.com/contents//files/nigalejil.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/51481965547.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=poultry+vaccination+schedule+in+nigeria+pdfPDF 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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