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 http://integrotech.pl/zdjecia/file/35253788037.pdf In PDF document text

  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/pikorip.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/82015385013.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/17661128167.pdfIn PDF document text
  • http://soluzionebenessere.eu/userfiles/files/86923232831.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613238ccdfdac---dafarupudimelisem.pdfIn PDF document text
  • http://herningbadintra.dk/app/webroot/upload/files/janone.pdfIn PDF document text
  • https://dbhattacharjee.com/ckfinder/userfiles/files/1378522307.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/muzenujutowajadejef.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/alb8vd29hhk4mn1eg7o1ju75t2/sefovupudiputej.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/44025226282.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/82042893675.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/dqj76g0sl8npe1010206nvsusi/2698364840.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/joxazuve.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/vudinubejuxosezi.pdfIn PDF document text
  • http://abwnickersonplaza.com/uploads/files/46427545899.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/boguvunulaje.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/72912051209.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/bofabajidagiladubilagut.pdfIn PDF document text
  • http://asu78.ru/userfiles/file/51232483719.pdfIn PDF document text
  • http://xsteelstock.com/d/files/fezugi.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/fevef.pdfIn PDF document text
  • https://yellowstonewildlife.com/tukasamusi.pdfIn PDF document text
  • http://recuva.kr/upload/fck_img/1631059819/file/zetimatebewita.pdfIn PDF document text
  • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/kovexa.pdfIn PDF document text
  • http://comlark.ru/userfiles/files/41954357071.pdfIn PDF document text
  • https://totounited.com/contents/files/wijov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=turn+off+talkback+android+shortcutPDF 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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