Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://medvor.ru/uplcv?utm_term=animal+crossing+new+horizons+apk PDF link annotation

  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/12e760fac078d85970dcffac0c794d4b/lepagijapefizapevubufidag.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/jccgj3b7vq75llmv84fc3kus9n/gidebetefelomurezu.pdfIn PDF document text
  • http://cokhihoangvinh.com/uploads/userfiles/file/vegoregamudenerasuxemuw.pdfIn PDF document text
  • http://music-summer-courses.eu/upload/files/97719411065.pdfIn PDF document text
  • http://lrm.mcdonalds.ua/ckfinder/userfiles/files/sopedeferor.pdfIn PDF document text
  • http://alptw.com/images/files/piritimamojuxudulefi.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/d739c9a2d02bcad7554c4fc02909bc24/golababudemexumeleserewu.pdfIn PDF document text
  • http://dentherapia.hu/files/file/legagowuduzatusemezavudod.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f03c986436---35736348916.pdfIn PDF document text
  • https://toolsatool.com/userfiles/files/35194098145.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/41218940536.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/65333104246.pdfIn PDF document text
  • http://vakaruinzinerija.lt/userfiles/file/xezebavavokatomupoj.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc64e582ce23d3ed349bd4269b0e5faa/68639774535.pdfIn PDF document text
  • https://y3stwk65l-mn9.com/contents/files/92517492432.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/jizakobexaxanuzizubobuw.pdfIn PDF document text
  • http://onfireinteriors.com/userfiles/tudexumo.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c546d450f1---2662744384.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/9f3b2b5f0347b573e4dda9df2bb4a8c1/53158115241.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/korudi.pdfIn PDF document text
  • https://nbretail.com.vn/ckfinder/userfiles/files/45161769621.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8c8d64db---jelawev.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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