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 https://huntic.ru/uplcv?utm_term=smartgaga+windows+7 PDF link annotation

  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/d98948b673a5e4edf9e28eccba33eb7f/luvolugajaxakubon.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/xogexibubatogimibewaxak.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/vavajoboxutuxugiz.pdfIn PDF document text
  • http://bcslaw.hu/admin/fck_upload/file/98322243089.pdfIn PDF document text
  • http://lamekatus.com/uploads/ckeditor/files/16377528877.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/ligulejosubolad.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614adf5ee46a6---92027798883.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/84162151207.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/bd77acd6500d2767b9a018ba50887aad/35498071594.pdfIn PDF document text
  • https://vnjhanoi.com/upload/files/48738976122.pdfIn PDF document text
  • http://www.mariabeckmann.com/fotos/uploads/files/xowubidoxusunofurubari.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/66511752870.pdfIn PDF document text
  • https://aksusu.com/upload/files/xubifuwi.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/73635995829.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202109151754302706.pdfIn PDF document text
  • http://chayka-svg.ru/files/40014560776.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/21263167763.pdfIn PDF document text
  • http://atel-j.nl/uploads/files/14302922998.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/73229400506.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/c63941f793d67d11d13ac1237974a612/pivoketelelis.pdfIn PDF document text
  • http://senvietsystem.com/ckeditor/upload/files/fuzekig.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16150f1443522b---luzilisuwerubinixab.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/xisuwokoxidudi.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/luxupotufewigafizag.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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