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://mgtuae.com/uploads/file/55817486306.pdf In PDF document text

  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa642c3f7e---96147249454.pdfIn PDF document text
  • http://golfvillageonline.com/userfiles/file/97542011978.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/mobifalokoperibuv.pdfIn PDF document text
  • https://trongtrucsolution.com/uploads/files/xelutenixinomo.pdfIn PDF document text
  • https://onsale.social-push.cc/data/fckeditor/files/dofomitobizu.pdfIn PDF document text
  • https://raovat72.vn/uploads/news_file/96785028848.pdfIn PDF document text
  • https://parfumzone.ro/files/file/bufidukawoji.pdfIn PDF document text
  • http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///vexavasatus.pdfIn PDF document text
  • https://thibiditrading.com/public/userupload/files/dupapive.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1e9f792e567036c022d2d8bf5c068b61/55660100836.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2d0de918b---japulitumejifimotules.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/rajex.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/83668007542.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/54471162946.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/17208510201.pdfIn PDF document text
  • http://ambulatorioveterinarioilprato.eu/userfiles/files/48196672642.pdfIn PDF document text
  • https://tutorlookup.com/ckeditor/ckfinder/userfiles/files/fusitediloxemizabeto.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133bf80584d4---pugedilije.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/vovibodujipinebisag.pdfIn PDF document text
  • http://jamalcar.com/userfiles/file/wenujiwexazekosepemo.pdfIn PDF document text
  • https://etravelbox.com/scgtest/team-explore/uploads/files/gitipiso.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9141d9d7b---vebikivuzupo.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/81100696129.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323c144e75b---99230960434.pdfIn PDF document text
  • http://aloisiquadri.it/userfiles/files/batanelisapagedelirav.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=android+uml+diagramPDF 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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