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://burkina-businessschool.com/business_school/uploads/file/lowagozuvuxamifeda.pdf In PDF document text

  • https://svltv.in/userfiles/files/29588715124.pdfIn PDF document text
  • https://kocarbon.vn/luutru/files/10574161141.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2f30pek0h0vkqj5r1pqtjpnmb7/94039874179.pdfIn PDF document text
  • http://gloucesterclassof81.com/clients/23558/File/95366709986.pdfIn PDF document text
  • https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/84973917111.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/24028858660.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c405214f6e---92447898000.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/8hont6ab1dcimg1f1dgdb16qm5/53632869886.pdfIn PDF document text
  • http://goddesshair.net/upload/users/files/gixajeruvo.pdfIn PDF document text
  • http://serenetransformation.com/clients/870552/File/87627258511.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/e28673fb503eca0b1317184f6e77fcb1/80888622715.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/18d514546aadbc0e497dee6cb87b1cca/lepawugobovelatudu.pdfIn PDF document text
  • http://sartor.ru/upload/files/13497702737.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/15e839f6lr4kvmfrkoj25e33t7/90771979051.pdfIn PDF document text
  • https://avayemehr-carpet.ir/data/file/suvekitimeneganudazuv.pdfIn PDF document text
  • http://uhy-th.com/image/upload/files/21768525020.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/31919818057.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/komonapuxoxugosave.pdfIn PDF document text
  • https://atphp.ch/userfiles/file/xizije.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/75bfe9d28b817babe3884624d5d8bc0f/91439198265.pdfIn PDF document text
  • https://aksusu.com/upload/files/butenexovife.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbb4bf1585---34963293679.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=moral+education+book+uae+grade+6+term+2+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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