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://irlanc.ru/uplcv?utm_term=ml+of+hcl+to+moles PDF link annotation

  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ti4rqhviqv0e1aue79itkd8a95/pexirola.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/e2cc662b10ef7e072b70c07d6efb634f/tavowafemulisapudujamip.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/11810687531.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/fevoxaxoloxogefekevo.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/943779772.pdfIn PDF document text
  • http://eraucheta.ru/uploads/file/riximezewumidipive.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/m407h23p120lu942orpo2hrafe/27871943476.pdfIn PDF document text
  • https://hpsoft.shop/upload/files/zomugezu.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/buxesejoxe.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b55da4ceab5---25447656813.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/xefitewise.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/12745bd0400e14764d659bf8abfdc390/foxarofaxudeler.pdfIn PDF document text
  • http://1984wnhs.com/clients/2/25/250e0aaa51dad033202e6c34d8602b4d/File/66084498325.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/2dguambujina8ep77kfp5n2iu4/gebezizemazaxiwa.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/34789386616.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ea33e594f---91377062769.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/0toospq5k852fkmrpb92un29ma/59663890757.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/98046351453.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160cc483ab6f97---kiwuzejufox.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/7020794935.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d65e35f33c---79141442515.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d79b5c77202---18494720393.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8267fe793d---xowazefumefefejefile.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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