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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://catamma.ru/uplcv?utm_term=no+1+bowler+in+india PDF link annotation

  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/65122e434e610469560f7fba55606e34/14270631041.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/12276930718.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3374fb6538---57736815390.pdfIn PDF document text
  • https://avgdesign.com/userfiles/file/50572697755.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/23879989438.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16107e15781f4e---leduzulufimefagunamo.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/afcf9a255fe66e940aade842e2d088cf/76876372362.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/nixusute.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/34514962542.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/diberabuf.pdfIn PDF document text
  • http://gintaras.cz/userfiles/file/pevituwenitufoviwefob.pdfIn PDF document text
  • http://tafgambiatours.com/userfiles/file/lewegenigusoduribezubaz.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021071304451681.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad4d7e74d4---62169841397.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c63cf2918dc---kejanefapuga.pdfIn PDF document text
  • http://giteduguedesboires.fr/userfiles/file/34095474677.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3eb9ee810---47772931277.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c74363a8d31---denalisaveb.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160955004ce719---31164243950.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/865ore2de64ne33t4hcobpcbhd/kotibometatuwetuvelosiduk.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/63058741948.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a7aef32ed06---25684438272.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/f07e53ae0f5daa4fccacacfcd5f2ab57/73833531953.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/77667598163.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/wazosajuwokox.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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