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
• 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://drafthe.ru/uplcv?utm_term=infecciones+bacterianas+en+el+embarazo+pdf PDF link annotation

  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f6e4ea55cf1---65358825309.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161239bb7dd941---20212432306.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/0lip9gd7i5sfktmijfm0k7kj66/natosipideror.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612b26d37d2a6---67092677301.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/da56lo6520hljv6e6f5qre7a8v/53462565547.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/a7p5sm1qcv7iaqa5kobiusncgu/71437685625.pdfIn PDF document text
  • http://chromoink.com/updates/file/70625824386.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/59101892781.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/2485b482f547633ebc97de2fbf4e68ab/wofupow.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-16/20210516134437490331.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/17538045060bc612800f68.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/q7vmbgpl64u26bsrgr27l00hcg/4566699942.pdfIn PDF document text
  • https://dgaspcsm.ro/ckfinder/userfiles/files/dowinawagonowaxexigavoxo.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/246b2545dc12df4942fffd2085bceb27/faximuditadumevibobaguzod.pdfIn PDF document text
  • http://toptoptraining.ru/img/upload/file/77964355230.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/gasirobadaniwudoze.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/zirofumakumizufezulamiv.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/mcpitiorvv73fu970na9b8spmd/69425751173.pdfIn PDF document text
  • http://koddous.com/userfiles/file/36223807278.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/81692813191.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c0816a3fbd3---dedujufo.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/1048641296.pdfIn PDF document text
  • http://polipack.ru/content/file/wemapa.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608154e718d90---falasimo.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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