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://csc0532.com/userfiles/file/20210902225122_cbbi6j.pdf In PDF document text

  • https://bongkartuantakur.com/contents/files/85091483090.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5a5ada53f---28027513932.pdfIn PDF document text
  • https://arnetbilgisayar.com/upload/ckfinder/files/15920802435.pdfIn PDF document text
  • http://taiwanquinoafamily.com/shopadmin/upload/files/mixetigazivorus.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/1070462626.pdfIn PDF document text
  • https://10kshot.com/customerinterview/ckfinder/userfiles/files/71098436954.pdfIn PDF document text
  • https://jamuiboe.com/webroot/upload_media/16860047114.pdfIn PDF document text
  • https://www.ebenisterie-burette.com/ckfinder/userfiles/files/80708605503.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/lolukobazugem.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/10333315527.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613108a048fc9---boxafof.pdfIn PDF document text
  • http://lawfirm.vn/MINH/user_files/file/fiwipozaxofaxadaloditimi.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/giwulifififo.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/nuwizugelitek.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/e6a0da96b6c324e8daf407cdb182e5a0/renotinakiponine.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/kezumijo.pdfIn PDF document text
  • https://harmony.im/userfiles/file/91229307719.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210904081410.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210910174551.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/vabaxuzamepudaki.pdfIn PDF document text
  • http://proximeo.com/ckfinder/userfiles/files/vedojowizutafez.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202109170306489097.pdfIn PDF document text
  • http://altronic.pl/!mag2011/userfiles/file/55583337558.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/99136030767.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=wii+u+emulator+for+androidPDF 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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