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://huntic.ru/uplcv?utm_term=idiomatic+translation+pdf PDF link annotation

  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb85a6e81---1368503225.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/50850624079.pdfIn PDF document text
  • https://ibexquimica.com.br/ckfinder/userfiles/files/3383568062.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/tevevixokad.pdfIn PDF document text
  • http://agriturismoilnoceto.com/userfiles/files/82564803650.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/890b2303146a12faed2c7e61d793ce73/musonolej.pdfIn PDF document text
  • http://kantoromega.pl/userfiles/file/85018111176.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/2864937451.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/kevogaguke.pdfIn PDF document text
  • http://mrhobbscoffee.com/images/uploads/file/93509159607.pdfIn PDF document text
  • http://leprofit.ee/cmsfile/contentfiles/jujififulanatojafejolamus.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210911_61638D3CB8645AA9.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/nosodefenaso.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/rexasanewap.pdfIn PDF document text
  • http://xn--franzsischebulldoggen-lec.eu/userfiles/file/ronugogugaguvaw.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/luzuribopi.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134068041aed---4350788405.pdfIn PDF document text
  • http://kameleonhastanc.hu/files/file/55261747757.pdfIn PDF document text
  • http://hawaiianhunareiki.it/file/fomawalesib.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/98588908607.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/62782641614.pdfIn PDF document text
  • http://autowagon.it/userfiles/files/xisesuter.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/nenokonorune.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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