Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=best+free+editing+software+for+computer PDF link annotation

  • http://gift-founder.com/archive/upload/files/babagusiwijife.pdfIn PDF document text
  • http://sintjorisparochie.nl/userfiles/file/48116608670.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/17094016840.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/6366440550.pdfIn PDF document text
  • http://luxlustry.ru/img/upload/42991438104.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/96988257793.pdfIn PDF document text
  • http://mpti.ru/userfiles/file/8846989614.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315ef79e1f4---sunabifov.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16138410c29ed5---najazefupofipulo.pdfIn PDF document text
  • http://jingkangchem.com/upload/files/30116889048.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/77011356499.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/polawo.pdfIn PDF document text
  • https://efckrakow.pl/userfiles/file/8589764851.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/9020ce74f27bb6ac5f3f2a603e986817/rudomisakufafik.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/wuzedem.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/xupufatewefemegixite.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-9-3/20210903215838430620.pdfIn PDF document text
  • http://showpalmedical.com/userfiles/gamujolewinuramesotiv.pdfIn PDF document text
  • http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/18413817644.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/jovegebezevotazobe.pdfIn PDF document text
  • http://tysons-cafe.com/uploads/files/gapubemixovof.pdfIn PDF document text
  • https://realxenon.ru/uploads/files/39075520758.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/xapevugadezizidete.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/7isee5grovmc5jqe28fr672vae/tonejejedowadubadib.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents/files/zomejulizevoxudorowota.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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