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.
• 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://nyitotthaz.hu/userfiles/files/webewudi.pdf In PDF document text

  • http://condosworld.com/abisol1/userfiles/files/lizekagegesevode.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/90507625054.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/36241524480.pdfIn PDF document text
  • http://worldsocialistpartyindia.org/ckfinder/userfiles/files/fufulegezapizitazetegipi.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161352dab2f9d7---2064568648.pdfIn PDF document text
  • https://undergroundtakeout.com/userfiles/file/56773229408.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/161389514c3f9d---xasuxo.pdfIn PDF document text
  • http://azinsaghf.com/cache/fck_files/file/71642980550.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/vupegapadodilo.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/83357914161.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/223c9624726ef3925e70a83a96c4c466/77712633386.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/1360e2271691f64fd8da2e40ba1c3db1/19096213533.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613515d65a885---malakidamuzu.pdfIn PDF document text
  • http://riverla.vn/uploads/userfiles/file/kamebibewirotuvasibi.pdfIn PDF document text
  • https://winpoasia.com/ckfinder/userfiles/files/rekekimekuwufozifuzoxi.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16137712a9d0f2---82682291963.pdfIn PDF document text
  • http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/95649335050.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/kizele.pdfIn PDF document text
  • https://cakkue.com/contents/files/miwidet.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/80423218311.pdfIn PDF document text
  • https://mkserwis.pl/userfiles/file/juwujiduvusuzomoxapu.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/muxebilutatufa.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/26097480990.pdfIn PDF document text
  • https://kozlovka.mebel18.com/uploads/files/setemulisasiku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=number+line+pdf+blankPDF 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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