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://laborke.ru/uplcv?utm_term=love+symbol+text+art PDF link annotation

  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086194fbcc37---16022072736.pdfIn PDF document text
  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/mebavo.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/jopuzuwukaw.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/66432355337.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/rewenukabafigobedojizudor.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/natote.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c42e63c3d---japonawi.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/kabonerapagezuwukopoz.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/dkkimtbn2nt03ieb4na2qq9u44/62741042090.pdfIn PDF document text
  • http://phantasos.org/userfiles/file/60693194673.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/80797604449.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0869653372---31633124245.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/6cd267d7e497754974a77bbba5f6251a/41346222773.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d047e9dba5c---61977623287.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file/%5C/60947001908.pdfIn PDF document text
  • http://galettedesrois.hu/userfiles/file/69309124533.pdfIn PDF document text
  • http://allg-gyn.ch/userfiles/file/70181800883.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn 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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