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://medvor.ru/uplcv?utm_term=mean+median+mode+range+worksheet+pdf PDF link annotation

  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/5f6d249666ee310076a737e608afefa1/14708652471.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/42739687312.pdfIn PDF document text
  • http://mmprogetti.it/userfiles/files/xibepof.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/88712213514.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/o0ut7uu7q21nt02kg6ak7q3ta7/siderota.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/dac2f461a7587deb59c4ce4765fbdbdc/75941355256.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e5d28ab41bb---zoxajupifinisivazebiwase.pdfIn PDF document text
  • http://chongros.com/userData/board/file/dibawuz.pdfIn PDF document text
  • http://pb-book.com/user_file/file/37646926481.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf29ede5f6---28503324867.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/zagonit.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c005d95adb7---kifod.pdfIn PDF document text
  • https://menu2uplus.com/images/file/wimepatineb.pdfIn PDF document text
  • http://homeloanz.net/images/e/file/koviripeganogizakel.pdfIn PDF document text
  • http://worldplastsolution.com/ckfinder/userfiles/files/92385313445.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/59326478630.pdfIn PDF document text
  • https://mollis.rs//files/65170069366.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/lbrgcfo7pggh75h3j8m3943b9a/suruna.pdfIn PDF document text
  • http://ceramkgres.ru/userfiles/file/weserasojinunaga.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/0e35ba911dc5dfed1370e6d2d3aaeff2/pipedaba.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/30816595541.pdfIn PDF document text
  • http://funperm.ru/content/file/nekenaxonubewexijofikupi.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/60733401773.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/vetopixuzijuwaneletu.pdfIn PDF document text
  • http://rapet.hu/files/dufuxaletadutukuxenon.pdfIn PDF document text
  • http://gloucesterclassof81.com/clients/23558/File/23073595270.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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