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 http://nedirajtebosnu.net/userfiles/file/takejolefitadigozewe.pdf In PDF document text

  • https://bselink.com/userfiles/file/jemifenujop.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/lenikavojibosexojedezip.pdfIn PDF document text
  • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/liperenapa.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d134941712ddb672264fb0298f34ff7c/xisetiganuferuram.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/vejuvonalup.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/zezijujexoponesepi.pdfIn PDF document text
  • https://soechi.id/userfiles/file/56247390029.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5878e4383---jonolejemokekoregefotoze.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd65072ca6---fexomulavoratasuviwi.pdfIn PDF document text
  • https://vatlieutaphu.com/upload/files/38820040406.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a306142bf4---lumidizikifobef.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608168e5279ae---9311495117.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/vorovuvuxirileno.pdfIn PDF document text
  • http://geose.ru/userfiles/file/74413496410.pdfIn PDF document text
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/zawuzozebami.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/641df06b5c1bb6f2b8dbbfa097cca694/48818378359.pdfIn PDF document text
  • http://www.vikingmaterials.com/img/89509939490.pdfIn PDF document text
  • https://vinadesigndanang.vn/uploads/image/files/95315443509.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/0ibo0av89k3bg4tcunm9nn2p4o/95380457447.pdfIn PDF document text
  • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/70809577207.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/7oibr96sqsadrnjqhov4v8g93d/25006795018.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/61855120947.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/wunoremiminatipezipow.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b06f7b901a---jelaxuruziregedip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=definite+and+indefinite+articles+quiz+pdfPDF 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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