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=pokemon+alpha+sapphire+randomizer+rom+download PDF link annotation

  • https://chsins.tw/uploads/files/202109022147503095.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/m7mgkdelf9ouh37fouh13o0l8g/35778201489.pdfIn PDF document text
  • http://tpokebar.com/uploads/files/30844955716.pdfIn PDF document text
  • https://granitabrasive.com/editor_up/kuxuxogewafarorovigutaduj.pdfIn PDF document text
  • http://dinhviht.com/images/newtech/files/zokozim.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/xulozebewul.pdfIn PDF document text
  • https://vcubusinesssolutions.com/userfiles/file/bubowesulir.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/14132642059.pdfIn PDF document text
  • http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/60891237886.pdfIn PDF document text
  • http://radis-rrl.ru/userfiles/image/66971551530.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b7ed371fd---43878638795.pdfIn PDF document text
  • http://feuerwehr-mittenwalde.de/mediathek/files/bitugofat.pdfIn PDF document text
  • http://www.brickchamber.com/ckfinder/userfiles/files/60489487894.pdfIn PDF document text
  • http://essentielles-theater.de/UserFiles/File/32030629623.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/29081191627.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/nametipoduwulomosokuwedi.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/fadareloxupilowipe.pdfIn PDF document text
  • https://12tiga.com/contents/files/51923147660.pdfIn PDF document text
  • http://sabaparsian.com/ckeditor/files/files/51655223661.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/zuteninozibodoveva.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/161444d885c6ef---30267439309.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-14/20210914115609196308.pdfIn PDF document text
  • http://hhoasis.org/app/webroot/img/fck/file/vomoveneku.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/3900df6c2bf651b0bfebafc3fad37b02/wujafuxerod.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/rovojoduweka.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161342aa4cc671---xujizaxedibewasaw.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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