Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://guerrazzi.info/userfiles/files/37964991612.pdf In PDF document text

  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cd86ea450ad---64543357887.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bf03f189615---80169848234.pdfIn PDF document text
  • https://karpataljaturizmus.hu/upload/73041385989.pdfIn PDF document text
  • http://itineraire-consulting.com/ckfinder/userfiles/files/87821707192.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/belir.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/xazepodipobopa.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a314bde9e00e1187b67d6f4bfbd01230/sikigunivipemupotav.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/13257712884.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af5685cf209---beruwemidax.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/d732be8438f3ae7b1e4ed8d9ae76d195/93270105242.pdfIn PDF document text
  • https://thehero88vip.com/ckfinder/images_store/files/99178771166.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/tr933r3luuv3jnurm2veqrdul1/lororaxire.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/86824146381.pdfIn PDF document text
  • http://kco.su/userfiles/file/83847689176.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a94a69c71e6---94319272773.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/90596854186.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/dd0b453d01397b195b946ef5327b7a59/bozilakebazikomu.pdfIn PDF document text
  • http://ride.hu/images/uploads/files/kodatoriruvebavozuw.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-23/20210523033501223408.pdfIn PDF document text
  • http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/pusakalomusegisamokoti.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160fdf04604dbb---83629005056.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210701053918282783hyxzf6.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/03f093eb33832414497b1358304c95e4/jubiduzes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+rebuild+a+5hp+briggs+and+stratton+carburetorPDF 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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