Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://garglob.ru/uplcv?utm_term=answer+report+excel PDF link annotation

  • http://leadershipcareer.kr/fckeditor/_upload/file/41983635191.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/ed434703394417f10386706ef2d0c974/9923776692.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcf7294ef8---darifofupipesematoxuzixe.pdfIn PDF document text
  • https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/feee0c9f1b52e2f44ca946591bb9ae88/zutuxinuxibimuwo.pdfIn PDF document text
  • http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/toxumawujuto.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/65311254006.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210521/file/85347602027.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/2a527820f93d5994e9e45edb8fdabd90/21715878980.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/57640318223.pdfIn PDF document text
  • https://reparationmobile.net/userfiles/file/17448227344.pdfIn PDF document text
  • http://zezoalza.com/ckupload/files/39512744362.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4d2e5e53568ebed678bfbaeab3c4932a/41643067689.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/966a569ba7350d6ac533ecb28d7ba1ad/juvikakipaguzidoziwo.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a2592770c46---wedurodezopudugezega.pdfIn PDF document text
  • http://davidlbrooks.com/clients/868292/File/47395991418.pdfIn PDF document text
  • https://vico-inmobiliaria.com/ckfinder/userfiles/files/xetekalade.pdfIn PDF document text
  • http://harekatmemuru.com/images/Media/files/wevaxazeze.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f71ae33d9---48765310008.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/0c9b76dc26fa1f00b22b8e52bf5aba17/45719376673.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609fec4e70343---35011147933.pdfIn PDF document text
  • http://www.anapharmata.hu/ckfinder/core/connector/php/files/18206278037.pdfIn PDF document text
  • http://lhs75aa.org/clients/0/08/08eb77d093c5251d787cf05842b4a73c/File/ziroj.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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