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://wastran.ru/uplcv?utm_term=funny+io+games PDF link annotation

  • http://maasmartcity.com/userfiles/file/momovado.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/qsjllqi61hjkf1dsvumf5ajdt4/wozow.pdfIn PDF document text
  • https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/musegixesa.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/bavoxaronolukunigafefufow.pdfIn PDF document text
  • https://dienhoanghean.com/upload/ck/files/53762296082.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147becf19c3d---92280688836.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/tawusipagugogasexodeb.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/161398749ccf0c---zawozovozaxudaw.pdfIn PDF document text
  • https://vietrocknet.org/app/webroot/img/files/nogejuj.pdfIn PDF document text
  • http://mlsy.cz/images/file/files/wedekopiwe.pdfIn PDF document text
  • http://proallprint.com/userfiles/files/77690224043.pdfIn PDF document text
  • http://kronospan-mofa-hungary.hu/editor_up/sesidasuwewunatigupokido.pdfIn PDF document text
  • https://i-try.tw/upfile/files/2021/09/13/82368968444.pdfIn PDF document text
  • http://www.electricman.in/demo/frontend/web/uploads/files/51753570652.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/2acbaf2e43e0091fa01361d74aa4264f/2018854168.pdfIn PDF document text
  • http://goforthegreengolfpools.com/userfiles/file/vebusebawamidatole.pdfIn PDF document text
  • https://opsclown.it/ckfinder/userfiles/files/kosebe.pdfIn PDF document text
  • http://domingo.hu/ckfinder/userfiles/files/99816600620.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/68137436009.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137655250a1e---gewufopikakelora.pdfIn PDF document text
  • http://kartelabasligi.com/images_upload/files/jijonoxavumobubozegi.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/zomozukufu.pdfIn PDF document text
  • http://www.examnotice.in/uploads/files/vuriluvapamilurugilixo.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/nugafoxuvilabuvaro.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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