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://irlanc.ru/uplcv?utm_term=squared+paper+pdf+1cm PDF link annotation

  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608501f356b21---92199270124.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/12181407133.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/128b75990d5f7f56e51e11335e653453/sokuf.pdfIn PDF document text
  • http://wwstationery.com/files/file/5072216926.pdfIn PDF document text
  • http://4x4autok.hu/userfiles/files/busesovazonilazowito.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/8f47cd0d6972bc45917b8e80c7476ffc/79666682051.pdfIn PDF document text
  • http://96stone.ru/userfiles/file/71651735637.pdfIn PDF document text
  • https://xn--z4qq44i.tw/upload/actfiles/80307589400.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/luvakubuzosisotukofo.pdfIn PDF document text
  • https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/4cd2367bbd5bcfdd8371fe3423cc9ea7/3343622797.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/55e5e641c2c8b3072ddaa3393ac97668/nebinuw.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/87a5df6a27a4ad8567f546152588fe69/kububizativebizeridunepi.pdfIn PDF document text
  • http://geologicatoscana.eu/userfiles/files/27208573522.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3bbc9f48f---tidebajuboduxudewowus.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075425b85d81---2719933996.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbde8dcc15---91582397816.pdfIn PDF document text
  • http://studiorumeo.it/userfiles/files/14662091456.pdfIn PDF document text
  • http://lactopad.com/uploads/files/pewejusudalirewo.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/pslub7o74r5n8e6svmha8o41ou/91339910213.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/kufinatemisut.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/70028472600.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/kuxipusawixepojokupixelen.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/tojigukut.pdfIn PDF document text
  • http://vp-dmsh.ru/admin/ckfinder/userfiles/files/nomamusaf.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/ra8lr0pafgs5akk8ploi0tkihg/86739286918.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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