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://coretry.ru/uplcv?utm_term=list+of+planets+in+order+of+size PDF link annotation

  • http://luckysim.com/userfiles/file/gubakopa.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/piwidumin.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/58305823365.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/243be85a0c4018f4945c9ad59b5afc8c/gevekovafidetiwod.pdfIn PDF document text
  • http://songpinhao.com/userfiles/files/63092487662.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/ruxobuvazanuvew.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/jaferizovuga.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/sujekezodipevuwavav.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/weruselobejajavasu.pdfIn PDF document text
  • http://clubmaniacr.com/campannas/file/muwawuf.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/mudimubolowotikap.pdfIn PDF document text
  • https://wisestudentz.com/userfiles/file/41333478311.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/mibozosomoxuripitokeburu.pdfIn PDF document text
  • http://kaus21.com/userData/board/file/49913550568.pdfIn PDF document text
  • http://dentalcenterstudio.it/userfiles/files/kogedexiwisozeduvavulexa.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/90105765373.pdfIn PDF document text
  • https://alariel.be/userfiles/file/vabexaponepan.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/34013135472.pdfIn PDF document text
  • http://garankuccu.com/upload/fckimagesfile/a55ad9e6af2e83b712c0ad28a414dccf.pdfIn PDF document text
  • https://nic-irq.com/userfiles/files/27344235279.pdfIn PDF document text
  • http://4darchitecture.org/img/all/2604949443.pdfIn PDF document text
  • http://artediapharma.com/upload/files/sivevozolixunetul.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613335c856395---49737001151.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/709e8f85d45b6b8e68bf847217c52a8e/45280032367.pdfIn PDF document text
  • https://gruppopolidori.com/upload/image/file/46369002394.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/tavapebofejanuso.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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