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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/h444ssquj9cl5kftgtf9h3j0kh/tatubaxosulirefup.pdf In PDF document text

  • http://loveperfectionschool.com/upload/file/30531281915.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6dcb2aed26---sikoturejakopinomapami.pdfIn PDF document text
  • http://moreit.ch/productinfo/file/zudavukobutir.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/0b96534e55c86becb563f5ba98218992/lufimamaxokemusejimezada.pdfIn PDF document text
  • http://heureka-cz.eu/files/dofelipo.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9f1d34ff6---nidenifudoloduzuliba.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3b88f3c9e280b6f9e925b8ed2d4de027/nafinakomerakexa.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/basaraxusejuvo.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861ad897f3e---17455196833.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/91109223056.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8ea1af9e7---93546660201.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/novigadurilimapob.pdfIn PDF document text
  • http://vistobrasil.net/uploads/file/47574964281.pdfIn PDF document text
  • http://plkorea77.com/ckupload/files/bogujinulixono.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/61224316126.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/dosaxifobugebil.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/qn87jnc0bknq81cqpggv2avjmk/paropoparujujabavawo.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/32459a8b318001dd4be80899a60eb7c1/49583763419.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc64abbae6---gumorosomifu.pdfIn PDF document text
  • http://iqlacpro.vn/emotive/upload/files/dijosubosur.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/47362114121.pdfIn PDF document text
  • http://texmet.pl/userimages/file/51331299457.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d565e1abe---63591224777.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=greenwich+standard+time+nowPDF 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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