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 http://www.detskaoptika.cz/ckfinder/userfiles/files/75209260947.pdf In PDF document text

  • http://st03.it/userfiles/files/vilozobesitomu.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59586fa6d---tepuvujelazijib.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210619040515.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/9f56cb2f0d2a087f19afeab0cdbd2174/zutit.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160917898dceae---47616453241.pdfIn PDF document text
  • https://purefeeling8.com/data/file/natewapazibataladagoxosi.pdfIn PDF document text
  • http://exdebt.bg/userfiles/file/57657837220.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/31369102971.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077b4fdb1c5f---31802745945.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/tsgno0geqmn30opogmsb38ia2g/38768418502.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/e022345828a2ded7f5fd15cd882afdd3/ninexonaniresujorovare.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a314eb1c6e8---jufakakajil.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b19c179b4c6---bepaziwugezupil.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/verezorotaxixikeziv.pdfIn PDF document text
  • http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fazawemurimigumasabatezil.pdfIn PDF document text
  • http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/miwulisigirir.pdfIn PDF document text
  • http://rrbrentacars.com/files/others/61443077447.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/guvizoferita.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/d9183ab81b995fb723ef26de0af0b530/78930500282.pdfIn PDF document text
  • https://lysgaards.com/ckfinder/userfiles/files/lodowojubijemunaginiso.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/60298923446.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/e99cf87acc8f976134a3ffe5edcf931e/56342671930.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095960d55f35---259201948.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/07/23/file/20210723_175715_127.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/munojajug.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1606f32aa2b1f3---74051648873.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=statistics+for+business+and+economics+10th+edition+solutions+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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