Malicious PDF — malware analysis report

Heuristics 7

• 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.
• JavaScript action low 1 related finding PDF_JAVASCRIPT
  PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://queure.ru/uplcv?utm_term=vola+sports+update+version PDF link annotation

  • http://qtjdb.com/UploadFile/2021/09/09/file/20210909_153333_141.pdfIn PDF document text
  • http://ekogamma.pl/javascript/ckfinder/userfiles/files/1568241968.pdfIn PDF document text
  • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/42316189207.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/50358664759.pdfIn PDF document text
  • http://domosplast.hu/files/file/19186869724.pdfIn PDF document text
  • http://gpkoaee.ru/ckfinder/userfiles/files/39276828287.pdfIn PDF document text
  • https://belitour.ir/basefile/belitourir/files/tujisirekagoweda.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/n8bkj623efkknsuaioh6n5flar/tolokopaji.pdfIn PDF document text
  • http://kondicionery-elektrostal.ru/upload_picture/file/dizir.pdfIn PDF document text
  • http://sieuthikhoacaocap.vn/upload/files/luzaxawaz.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/file/14827381254.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/gurutuju.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/24586597809.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613091dd4993f---64148116989.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16132c3b7b3f05---senimejurazabored.pdfIn PDF document text
  • https://www.jakketoes.be/ckfinder/userfiles/files/59953536822.pdfIn PDF document text
  • http://0851gay.org/userfiles/202109file/2021090709093370554.pdfIn PDF document text
  • http://uleshuzatshop.hu/files/file/1163367659.pdfIn PDF document text
  • http://tomekorea.com/userData/board/file/4106293219.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133672d5ebbe---29449801835.pdfIn PDF document text
  • https://tsolisp.com/files/file/16706440898.pdfIn PDF document text
  • http://ropesadventure.com/d/files/94155384555.pdfIn PDF document text
  • https://khonggiansachhanoi.vn/uploads/files/67048229992.pdfIn PDF document text
  • http://chinalanpa.com/images/upload/File/romutujusis.pdfIn PDF document text
  • http://gazomotor.com/allinone/file/xisavuzipibotireruz.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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