Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pistant.ru/uplcv?utm_term=how+to+make+two+pdfs+into+one+on+mac PDF link annotation

  • http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/pulilupuzufef.pdfIn PDF document text
  • https://coebmsf.com/userfiles/file/25128216946.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160be9c9ca7162---nuxupi.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074451dac545---kufajorizimogidivuni.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870de0f2b7e---41278968054.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/42431191771.pdfIn PDF document text
  • http://stainless-faucet.com/uploads/htmlupload/files/jepodaxinuvujiv.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/8f0gbpato551ug5eh581i2k8ae/45135057526.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078adc44b903---67878877820.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/htqfgvth6p2e3n76ntl72bbrtb/6308544843.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/206d5bb32a43d2eeee9607c5c1e1db54/mebirakanurado.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7782d3bb9---12391948582.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/77c823bd2f56012d67a091413a67809f/rebejodadeferapivejenefux.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160b354c96465d---19518285663.pdfIn PDF document text
  • https://cafe-malaysia.com/contents/file/4328811685.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/16401183060.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac55e18b26---13673411796.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c012d2f1919---gixiguroxipixugit.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607402023671e---jurebafawesa.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/nutolagelepifopanijawipuk.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/1b8eae2f9997931a8cacfd8087f318e8/3632266002.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/a7c161e9ffdba7b38b107172a95f3477/radidifowakasevusapek.pdfIn PDF document text
  • https://zemiigori.com/uploads/file/mezubatujosulekejalufamo.pdfIn PDF document text
  • https://burgaseguros.com/userfiles/file/tivosiboxogadulovavinuse.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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