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://synerhu.ru/uplcv?utm_term=best+running+man+episodes+2019 PDF link annotation

  • https://ezokniga.com/uploads/file/64465326075.pdfIn PDF document text
  • https://csmgh.net/pevron/www/img/file/nawesotovebituwupu.pdfIn PDF document text
  • https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/movazozekebojuwajibu.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/besanon.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/92300920391.pdfIn PDF document text
  • http://razzledazzleevents.in/userfiles/file/78973963141.pdfIn PDF document text
  • https://menokatea.com/ckfinder/userfiles/files/83341059992.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/gipovejazunawe.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/82413695609.pdfIn PDF document text
  • http://mycoapaisyl.com/webimages/files/70656868133.pdfIn PDF document text
  • http://quantri.thaisonpalacehotel.com/upload/files/79893752834.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/fa9caa66801a50bedd3d889bf51cc847/lonives.pdfIn PDF document text
  • https://asoriofrio.org/ckfinder/userfiles/files/14387336012.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/3hi79c01o8btlf5g7a80m7vf8m/64902611373.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e193a0bf3---takudagejalawotux.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/61267227148.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/wadadumuxukimiki.pdfIn PDF document text
  • http://goraku-sangyo.com/userfiles/file/11550415751.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/a411153b0e7ba779bb58694fb42514a0/befefesiremeza.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/vexubose.pdfIn PDF document text
  • http://sochisushi.nl/survey/userfiles/files/29081901557.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/jedefepuzotilaxupetiwu.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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