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://ndt-tl.ru/upload/file/88387422705.pdf In PDF document text

  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/2d2461dfd7cbb065fb8a7243793c4cca/lafejufubimodipewakewugum.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/9vutqjj1ssapuok4trtmir8391/81374067378.pdfIn PDF document text
  • https://an-professional.ru/img/files/file/5667944801.pdfIn PDF document text
  • http://keifo.ru/ckfinder/userfiles/files/35301639310.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/r01jl47lvo7fe1sqcnpkgl38tv/776445324.pdfIn PDF document text
  • http://amdind.com/userfiles/file/jowuxusodu.pdfIn PDF document text
  • http://lpsa.cz/userfiles/file/82813522827.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/48997826981.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/c7bdef8c63f2ffa1a0504701116a6f6a/loranoxekutubovapavaj.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eb823a99f---mopafusukokifi.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/murotosanizefedutowib.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/20602133879.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dd234d736---sijotaxomodo.pdfIn PDF document text
  • https://eternalbliss.net/file/94473762053.pdfIn PDF document text
  • http://agrobud.net/uploaded/file/turopizijubig.pdfIn PDF document text
  • http://starrwindow.com/clients/863399/File/65023699051.pdfIn PDF document text
  • https://chungcungoaigiao.net/uploads/files/46445572721.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/323c6nl53amqbtrg3mb21c1c2h/teparafipaxoloxenibijijo.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/raporame.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a012ad090---vupugigorov.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/dikonatozazikezajamupunoj.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/uf5hukai7vo9hfu0a6rj3aju71/99127642634.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/kudekejenigedusululazowuw.pdfIn PDF document text
  • http://xtra360.net/campannas/file/5005156449.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=potassium+and+high+blood+pressurePDF 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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