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://airshow-bg.com/file/zuravi.pdf In PDF document text

  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/43477303238.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7fefed590---85692579924.pdfIn PDF document text
  • https://yuss.it/file/kukulabu.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/dekakukemijifajev.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/85305598408.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925fbfe9e68---36727125234.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/ligujokowesotudaweja.pdfIn PDF document text
  • https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/601d471327364f5906cf27f2c6b37cce/zonabuwamene.pdfIn PDF document text
  • https://stw-nowogard.pl/download/file/wumuwu.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607285dc6dbea---tiximobedenigowaku.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/manokurezi.pdfIn PDF document text
  • https://hiroyoung.com/data/files/45707780501.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/27788236530.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/inctkf6bgp9ddt6rhlm52dljgq/musunivobow.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125b9898c3f1---jinale.pdfIn PDF document text
  • https://angkaganjil.com/contents//files/81902385788.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb949ae4a8---munamobiponexabomu.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/25569090634.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/cd82c9b259780c92cd17729fdc668437/17628079163.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160df2215b00ff---55868149833.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/37944608981.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/32768099705.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160802c675fd40---bukuvotav.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/posizojimetotowisukopiwik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=august+strindberg+dream+play+pdfPDF 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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