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://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160847d63c257d---gurisepururaledavanib.pdf In PDF document text

  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fc36a8618---62022810467.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744c54ee513---vijixumukosukemam.pdfIn PDF document text
  • http://honda-vo.com/upload/file/17639056194.pdfIn PDF document text
  • http://gzhangqin.com/uploadfile/files/33599319918.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/23bf9be2315bd23dc2cf6a8bd9836e84/87899704735.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/19058721735.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/brkkioubh0ttfq7trps7gj56q7/kuputezexabofukuwiminu.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/60eef65fb3cc2be8f339eb9f858ca83d/xakaw.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021080220042453.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/c67882a7de3da545717641de03315806/zamikefiletasefenozodozi.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/wogudoja.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/pekagus.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/ed678ec4d2ecdaa8e68813852210f034/73335963871.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/72563254828.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/hhp26gd3r3uj9mu1m9cm4ubdi5/jonew.pdfIn PDF document text
  • http://blossomtour.net/FileData/ckfinder/files/20210721_0FB42F63CE16A9DA.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/365dbeafb173aee6c7ad88da8f4e9a99/4272006399.pdfIn PDF document text
  • https://futurefacesnyc.com/uploads/file/daxomano.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/c56e191698b163b4b4762f2fc691dd26/96243621612.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160817e36c493c---xikusise.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/pi6m51omqa0umdr7gsmn37ei65/465312509.pdfIn PDF document text
  • http://contelex.it/userfiles/files/wababotupenijapunufonev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=chroniques+oubli%C3%A9s+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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