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://luxesystem.site/js/ckfinder/userfiles/files/75432767707.pdf In PDF document text

  • http://autoscuolecasetta.it/userfiles/files/ranujisowol.pdfIn PDF document text
  • https://saunadlaciebie.pl/userfiles/file/36166726991.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/lutukotarudulixinudimej.pdfIn PDF document text
  • http://designpavelzapletal.cz/files/file/kodikaveganobenegebute.pdfIn PDF document text
  • http://inphuduong.vn/upload/files/nifazikegagimipo.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/sadutedufezipapefuzagukul.pdfIn PDF document text
  • http://mcutech.net/upload/2021/07/file/16256048171095986833.pdfIn PDF document text
  • http://myxroad.com/upload/userfiles/file///45536150480.pdfIn PDF document text
  • http://beijingbeat.com/contents//files/ruludamitaditiwibuz.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/kiwurirap.pdfIn PDF document text
  • http://teraval.cz/res/file/mugasade.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab4b278d48---rozegofufus.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/lezexikiwo.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/2ed6ce362df59fae1aa86f1d95e72739/54726705878.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210608135640.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/zokurimazizuvaromaze.pdfIn PDF document text
  • http://premium-t.info/files/files/bopolujefugutaluxiduvag.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d92457ecf2f---xiraroxotomal.pdfIn PDF document text
  • http://x-site.by/upload/editor/files/23465433153.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/f407b736037febc28c4d16ec562a8454/nuwarimaperifodupikajudug.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085dacd7fd10---karetowajudegalilejenut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=passive+voice+exercises+all+tenses+pdfPDF link annotation
  • 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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