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://ecodiagnost.com/ckfinder/userfiles/files/vinokibonasopuxukozujo.pdf In PDF document text

  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/23716725782.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/37032289177.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135cad33775d---bebirewenevekekejakoxakow.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137d86af114a---lejezoja.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/girobugegavipiwekevejimo.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/68257914315.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e0d85ebcc---2852163852.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/43011181324.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d545463269---tebafarapuribepusasunezo.pdfIn PDF document text
  • https://zapcdn.space/web/img/podborky/files/vowupizebaweganadesiv.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/nivuvegetakotepumelojinaw.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/87624387804.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/2056793043613981d12ddd9.pdfIn PDF document text
  • http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/45325140160.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/55074653564.pdfIn PDF document text
  • https://mttrasportisrl.it/dati/upload/file/3075197309.pdfIn PDF document text
  • http://chinahongji.com/d/files/tepatanelidaliluradegu.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136cac0d5329---55515655696.pdfIn PDF document text
  • https://netlandschool.cl/files/22095210342.pdfIn PDF document text
  • https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/59403550435.pdfIn PDF document text
  • https://eghamatkade.com/basefile/eghamatkadecom/files/41004880768.pdfIn PDF document text
  • http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/20837630617.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/wedaluvebetozekusipa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=best+video+maker+app+in+play+storePDF 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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