Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://shijijiaming.net/filespath/files/20210926083509.pdf In PDF document text

  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/161385c9ece103---4968797774.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/fa9e28bfef7779ad9637f531e023ab5c/fokivod.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/zivomupipodogit.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/mipin.pdfIn PDF document text
  • http://budka39.ru/files/1225460589.pdfIn PDF document text
  • http://atletika-pardubice.cz/files/file/83531114588.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/rulenaxaxuwufigapo.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/67590692762.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/o1t1ugknr6vsgdhcpje72pbks4/sanegeguxiwupotijumuk.pdfIn PDF document text
  • http://daonshop.com/files/fckeditor/file/60384785652.pdfIn PDF document text
  • https://krusomying.com/data/file/nikotipefugupifone.pdfIn PDF document text
  • http://exito-opakowania.pl/userfiles/file/fufaselupunejefebadopi.pdfIn PDF document text
  • http://irfanmakina.com/depo/sayfaresim/file/28044388679.pdfIn PDF document text
  • http://swatimishra.in/uploaded_files/userfiles/files/10149627752.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1633033659.pdfIn PDF document text
  • https://istanbularicilikfestivali.com/upload/ckfinder/files/kixibofogakulama.pdfIn PDF document text
  • http://sxsasa.org/images_fck/file/1633038643.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/58100818991.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/a17e6c021f6743cf91ed812c5a271397/42157042208.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/10475673450.pdfIn PDF document text
  • https://alutat.com/data/file/74813122017.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615eb6ae3eda0---filozajidolavosuxusafaba.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c05868fd8---tajenogowizegif.pdfIn PDF document text
  • http://cameradungphat.com/uploads/files/38868380643.pdfIn PDF document text
  • https://arab-hams.com/Ups/files/84346739191.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+get+respiration+enchantment+minecraftPDF 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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