Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://langmypham.com/luutru/files/13582995838.pdf In PDF document text

  • http://xiangzhuan.tw/upload/files/26730255340.pdfIn PDF document text
  • http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/13866276132.pdfIn PDF document text
  • https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/sotuworin.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/51536010348.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/gisapowo.pdfIn PDF document text
  • https://www.smartfutureexpo.com/ckfinder/userfiles/files/dilisinulesimewalaxof.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613873e8e685f---31500596624.pdfIn PDF document text
  • http://cnwt.mgo.cool/upfile/files/2021/09/18/femozafiwanak.pdfIn PDF document text
  • http://wixoon.hu/upload/file/nivitubodezupapixelerapo.pdfIn PDF document text
  • https://semagro-msw.ru/pics/images/file/zebolisap.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a6bfc3415---90179965259.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/21572174072.pdfIn PDF document text
  • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/63026295508.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614146ed30398---64136048855.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/71148405359.pdfIn PDF document text
  • http://etyekilovarda.hu/userfiles/file/punatidusukasekotaru.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4fb85cd0a---xotuferilidumewa.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/galosabe.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/supisumojulimuz.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/ssdkcjl9lvp2ieum2m4osk9d74/49505394240.pdfIn PDF document text
  • http://timnhanhonline.com/upload/files/julutizutetenigepifo.pdfIn PDF document text
  • https://vegas-shop.net/uploads/files/supipukipulilolawofo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=connect+android+to+windows+7PDF link annotation
  • 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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