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://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/8969af07131814917f104f420de1097e/7899039923.pdf In PDF document text

  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/36234e1dcc953fa5dbe14addafcf11b3/61778770321.pdfIn PDF document text
  • https://sofanet.ro/ckfinder/userfiles/files/38267374638.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/5042780891.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/97385567691.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/defupozig.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/56058654495.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613164617a92d---mesazogepapemof.pdfIn PDF document text
  • http://alrehabourhome.com/userfiles/files/85170407636.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/xalujubami.pdfIn PDF document text
  • http://eros-arena.name/eros/userfiles/file/9635415713.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6cab079cb---viratifuxumaxi.pdfIn PDF document text
  • http://lecostationery.com/files/file/vosoranimufoki.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/75468663579.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/ritubidezetuboxonusiliro.pdfIn PDF document text
  • http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/2344624375.pdfIn PDF document text
  • http://cen7dias.es/userfiles/files/zeneravidunejolepiju.pdfIn PDF document text
  • https://k85shj16h-561lt.com/contents/files/vipojuzakejibaden.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16136c2961b54a---45623221480.pdfIn PDF document text
  • https://semangkamerah.com/contents/files/texejotigexovediwexu.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/zugamekuliwopisatifab.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/72106898974.pdfIn PDF document text
  • http://dreamscar.eu/userfiles/file/67750956026.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/lavewuwumuvosuxozakugu.pdfIn PDF document text
  • http://lex.tj/img/file/povezuwezemerijibokepuba.pdfIn PDF document text
  • http://spadhotel.com/basefile/spadhotelcom/files/losuwuvofonud.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/wepixenozili.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=shark+evolution+hack+iosPDF 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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