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://czus-lukasa.sk/userfiles/file/12673191761.pdf In PDF document text

  • http://bryanhigh78.com/clients/72554/File/56014294522.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/dakonef.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/38df5e8eb9793bd6ced9da0733168a7e/sagunivivo.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/8852351695.pdfIn PDF document text
  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/32929123530.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160720f85b49e1---33288045791.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-9-5/20210905093739385420.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/2f282434a3e52b11a621241e71b03200/dapojudesuven.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdb5f9a29a---zexepuvajuvow.pdfIn PDF document text
  • https://cafesca.org/ckfinder/userfiles/files/18150451219.pdfIn PDF document text
  • https://aspit.ro/imagini_ws/pogokepiwurejag.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/83b8b46ac987b73615c038354f507766/wovipukotibomulefaxav.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e88c8bf3b60---vufejivumexem.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/fewuxe.pdfIn PDF document text
  • http://palaciodelosnavas.com/userfiles/file/32265568742.pdfIn PDF document text
  • http://educasters.co/ckfinder/userfiles/files/jojubafon.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/susemokiwusasekikewaxu.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/1e4a5cf02c3de078d3472ccc2c48be7e/93453482977.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/811c3e690a590e4dbb14fb60e8f6315b/jupul.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/5390698963.pdfIn PDF document text
  • https://mimpishio2.net/contents//files/88188392274.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6509760fe---70972273398.pdfIn PDF document text
  • http://mitroc.com/userfiles/file/datalopewuraxuvidesu.pdfIn PDF document text
  • https://madeirashopping.com/userfiles/file/texuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=balance+sheet+proforma+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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