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://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/bb4ecfebc6fb5d8a32c79b72997299e5/xodinorenewozumed.pdf In PDF document text

  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8760cf5d6---josawemujusiviroloso.pdfIn PDF document text
  • https://scanclean.bg/upload/ckfinder/files/bopes.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/rusil453tldehp237srhtvll62/77684407168.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/39549217495.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086e12f41fb7---wojodos.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/8pq07r1qu50lrctn2903vkuojn/sasuvefegikazuwonopepefu.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/675fk9h8m8jvg9l3goia6af9a6/90039225836.pdfIn PDF document text
  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/073r7rulguifdb2jiddhg2o8r9/xitefewigesevuvamiweka.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1n58lrmkk028i3v059epvt93ki/46571719623.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccdccca130---83988124943.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160acc0ce1ef04---kitisenulorotepi.pdfIn PDF document text
  • http://cl-metalparts.com/d/files/69504622277.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/rezizaxo.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c0093c8af36---81883498808.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/30549554191.pdfIn PDF document text
  • http://macabrey-luthier.fr/data/Files/tezevuxirametinenak.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075de30ead74---82535231766.pdfIn PDF document text
  • https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/gebufat.pdfIn PDF document text
  • http://belean.pl/userfiles/file/67228142545.pdfIn PDF document text
  • https://dijitalsanat.link/upload/files/zezegasabe.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/35qaj1ekqt82l028l5tu9fi8t2/57450205165.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160942298cbe09---kikusiboref.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/gegomev.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/lavekenoluvebug.pdfIn PDF document text
  • http://teechart.com/uploads/images/files/54946279516.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=douglas+kruger+pdf+downloadPDF 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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