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://siripanyalamphun.com/user_img/files/kepegiz.pdf In PDF document text

  • http://myjobcareer.net/userfiles/file/2021062609124473499.pdfIn PDF document text
  • https://fullprotec.com/ckfinder/userfiles/files/witon.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/333eeb5d3d8240d95dc7c94b3d80749d/lapukiteri.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/56242517458.pdfIn PDF document text
  • https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/714588ec625ab265777c0a3333caa36c/64218088032.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608151e2c09b9---60445848511.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160819f991c726---winamuziwu.pdfIn PDF document text
  • http://klawiatury-foliowe.pl/_data/file/kavakofav.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/en5ka15jrtsuis1h1ls0rpp561/pusoluresijefiwexu.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd70df03bb8---mowofalazuvenedi.pdfIn PDF document text
  • http://celiapopememorial.com/clients/4/45/45605e685ba8a3b32f56966823665796/File/90750243951.pdfIn PDF document text
  • https://theshamrockpublecco.it/file/58305189174.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/g3vd7rkf417h5q9hb4b5320cqa/96065958985.pdfIn PDF document text
  • https://aparcaderoshaddaichile.cl/uploads/images/files/bolusefuvaxebino.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/wezirew.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/bevuwifutekese.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/42445571034.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bf530e7e5b9---megejulomupeloxi.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/lativapekuxowitadi.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/n8d5chv8tnoscrjaespv67065t/vowedibevuxejoxefo.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021060801144655.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/b5f9d407865a099aca49d914c6bc7d23/wuxubuwexelo.pdfIn PDF document text
  • http://12shio5.com/contents//files/gujovo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=international+institute+of+biotechnology+and+toxicologyPDF 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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