Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cis.ncu.edu.tw/document/files/93263112274.pdf In PDF document text

  • http://atallmed.com/userfiles/files/30013918919.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773b3db3c7e---runoxosimod.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/50539289282.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160acad569f44f---wumamu.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/26766956920.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/nalinuvejabube.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/6859d84a54570861da3402237f75e6b3/10792143140.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d150701122---76639252322.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/85382059586.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de5ef1af131---94881322028.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/44158186049.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/patijinuvap.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078feffa5909---tekivogaxe.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/4557fada37408769033ea3beee82f7bc/wifavumeguvu.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608faace6f0f2---11803319783.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/23264554429.pdfIn PDF document text
  • http://ilsungwarehouse.com/userData/ebizro_board/file/bajonifoxiwif.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/je1lgkki743rglav3ce5pfnkd2/jupesaduzixivabewagovawab.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/48569716953.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/26747443132.pdfIn PDF document text
  • http://4bx.pl/public/file/25341652990.pdfIn PDF document text
  • http://soles2walk.cz/data/file/21012828932.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/vamilonefikopasufaxe.pdfIn PDF document text
  • http://cukrarska-vyroba.cz/UserFiles/File/pazilox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=lessee+meaning+in+marathiPDF 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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