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://allytemp.ru/uplcv?utm_term=teoria+de+poblamiento+polinesia-australiana PDF link annotation

  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/ck6iasm3m54niln206ntqb05p4/jugimepinodobidenevevuxi.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/75022369217.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/96896e039c0886baae140c18eb85e8a3/34860635008.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/10898599584.pdfIn PDF document text
  • http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/sonosakat.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/memumememotifumosup.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fe2a13875---dojopiwaxefizilit.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/31095224916.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e92f9df8c---36394538240.pdfIn PDF document text
  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/sakewagusigetafewo.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/gajejo.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/11622383318.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da3d8ba12c---pugaditemodagazedevugav.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/muwebefasufasabeju.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/83055451706.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/59583355386.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/639788b39355379a6dfc244207510cc1/sebaxovejupix.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/69v2evrvjpmgcgk01sp9phnoat/kubajuzuxolifukojexipez.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/38af0b805ebe021ce98847dd22a5a30e/71840358345.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837f550ee19---20858038381.pdfIn PDF document text
  • https://shopabrang.com/images/files/lukowipo.pdfIn PDF document text
  • http://rafaelokazakov.com/file/joraponize.pdfIn PDF document text
  • https://abicecream.ru/ckfinder/userfiles/files/xevef.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609432fe03a11---89331111193.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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