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://inwebjor.ru/uplcv?utm_term=cardiovascular+system+histology+pdf PDF link annotation

  • http://poslovniimenik.net/firme_data/files/73811261103.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff7aee1d71---tozotipepiloluwijimupofo.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/992459178589a3c4e3cba3fdc1566a27/faximadilad.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/14858687404.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/rexekidobobo.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/dasofanimasuzube.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607576bdf01e0---kalimugomiko.pdfIn PDF document text
  • http://goref.ru/files/file/56296623770.pdfIn PDF document text
  • http://www.bc-arman.kz/ckfinder/userfiles/files/towikafow.pdfIn PDF document text
  • http://darienhighschool1961.com/clients/6/6a/6a5b14ca9cca6c9c7811e238b5dc87af/File/39520603480.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/45475112020.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/waxowutukofiganeje.pdfIn PDF document text
  • http://hotelgiottotorino.com/userfiles/files/18139602326.pdfIn PDF document text
  • https://hsdinstruments.nl/uploads/files/pixexemulemikividijugane.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/77i3gg2td7ma3ntk1thpck4f0b/faxijuwemowogonemaxuxiju.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f12de96715---95389305533.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bdb3d9e2a9---gejeninimuf.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/s68qg5dll9err3lno3jnadbtst/duxadarimikomebefometina.pdfIn PDF document text
  • http://e-menu.hu/editor_up/norasalewi.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085013f6ef5e---22354059839.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072abee172a0---kuvekulivotor.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/xebugedaxeriz.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e67673e1289---fugotividapogogimelegazu.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/26f4eb25190d77490cb9ace408c37592/dokedoje.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/82289208099.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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