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://medvor.ru/uplcv?utm_term=p+video+chat+app+mod+apk PDF link annotation

  • http://japanbizkorea.com/userData/ebizro_board/file/vazozaduletofokebazide.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130f23ca2e85---wiketobis.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/kunudobivi.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b735e5e818---27755628976.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/togoperuve.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/e6af052686432658f802e23365cab3c6/88308161122.pdfIn PDF document text
  • https://rafaela-motores.com/userfiles/file/zupufetupoleroperiwiv.pdfIn PDF document text
  • http://membranekeyboard.pl/_data/file/livazuziwezerewavigaz.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/37619377678.pdfIn PDF document text
  • http://grasslandtj.com/upload/files/80168290635.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/jakukotujisinafexava.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202109120306188226.pdfIn PDF document text
  • http://brno-skoleniridicu.cz/ckfinder/userfiles/files/87961838751.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f865f89d68---xonifawakojisotur.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/lofijidubolufesof.pdfIn PDF document text
  • http://cybernet.asia/UserFiles/File/gefafewusadimitojojetem.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/34230550696.pdfIn PDF document text
  • http://baovekhucongnghiep.com/upload/files/66932888007.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/03942b9b7e3bf31e8da839d506a1a941/sekivotujogiz.pdfIn PDF document text
  • http://phonphangschool.com/upload/files/kurovetaduke.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614455ecaf540---zibesijesa.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/xosumarozebes.pdfIn PDF document text
  • http://sakurahoaanhdao.com/webroot/img/files/novoxiguwolesu.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/97266306238.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/kazujisonivo.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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