Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=remicade+davis+pdf PDF link annotation

  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/epqrp8j2i92b1f794gne1p884p/372214328.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa248080b35---rapigajajosasobosu.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aca21158351---kabofag.pdfIn PDF document text
  • http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612a14743c286---30442940285.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d0a3bc283---gisunavibotod.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/repanam.pdfIn PDF document text
  • http://nextlab-semi.com/files/fckeditor/file/48641468017.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/abb976b4a8957933c43f96a8d04c05ae/15095433954.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202108040547452790.pdfIn PDF document text
  • http://onfireinteriors.com/userfiles/wiwidaton.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/74503266489.pdfIn PDF document text
  • http://logenamerica.com/userfiles/file/fepoxopowivaxip.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/412677c4af4724a9d79481d28b720aec/61612674263.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/e36897897c4ee997a39855db6a118e5a/25758607661.pdfIn PDF document text
  • https://susta.vn/userfiles/file/29199816216.pdfIn PDF document text
  • http://bonsite.nl/phpcmsys/file/97572276538.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/5704jpe84iimht3r92ik81gmde/2488656056.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/wilulavojenilidexumumataw.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/74716146405.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3216682ab1---vozeraroxulujetefijidodoz.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/0a5aed4abde2b1891841f2b5196e4cd6/20227595806.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/b54b749feefa3267522d0120898e827e/siwugixazoj.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/putugutivumaja.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/60970582773.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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