Malicious PDF — malware analysis report

Heuristics 5

• 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://infrive.ru/uplcv?utm_term=what+are+my+dominant+planets+and+signs PDF link annotation

  • http://aryajob.com/user_upload/file/danexadirisoweriladunifus.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608858669c4cd---3040238434.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/79397504703.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/vib0urut330dpo2bphv1bvricl/bazekelejom.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/a91453278tp9c2f64mu77v8s3n/nujos.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6530eafbc---guvibu.pdfIn PDF document text
  • https://cargobull.cz/res/file/wupelibufefupata.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/linapipipuwuwasepoz.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071cd38453a1---85821951291.pdfIn PDF document text
  • http://homeshopeez.com/uploaded_files/userfiles/files/54087029841.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d15c3598c---83096925904.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160804a28bbc2b---68526340945.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/rivexeperisoredi.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/86948434455.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/44875953103.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/3e722d7908ceb1c9bcb20264b9890fea/sukajek.pdfIn PDF document text
  • https://olterus.info/contents/files/liwiwexuwu.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/8479391566.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/fcf66j2lasb2omnf1c38aoh148/tobogox.pdfIn PDF document text
  • http://iuoooo.com/filespath/files/20210811104532.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85040933150.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086787f02805---70219061038.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/31996455589.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/6898016355.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/pezerudanurizub.pdfIn PDF document text
  • http://miroslaws.com/ckfinder/userfiles/files/92189977413.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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