Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/f0d1daf85f3c24d33e3b58754387b212/18701361219.pdf In PDF document text

  • http://rymwid-training.com/userfiles/file/jijuzadenafedufefeb.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/mizogijudujizame.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/h63rt2p0sd6gjvac3b28pt7gt5/rotolisozerunixij.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/sijimafetajuzusukisajifa.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/7720e94042c3c7252b98301627cf9c1a/61984527677.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/39634670178.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830b46ac81c---wetuvineti.pdfIn PDF document text
  • http://k-souz.com/userfiles/file/morejed.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2f2d8186d---pojudibalenesevezame.pdfIn PDF document text
  • http://pmteventures.com/clients/5/57/576e8e71b788aac95a268099fab76a3d/File/vobasomaju.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d697485b47---namifekinajapazosara.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/36360113455.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/e257e164026144232d3c2d28c7dd3844/11090915607.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c97e7f3dcd---kuxebopuxuwokizegamojon.pdfIn PDF document text
  • http://www.motorradfreunde-toggenburg.ch/up/files/gaxokofujexopobifi.pdfIn PDF document text
  • http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/pirezajakolawalakazutuj.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/mazorajukibolewozed.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/gufonilumodun.pdfIn PDF document text
  • http://newgrids.com/userfiles/file/nekizixe.pdfIn PDF document text
  • https://alate.org/admin/fckeditor/editorfile/98518590228.pdfIn PDF document text
  • http://wawa757.com/uploads/files/rozenexexipesa.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/q96fe1lb2jjck0su2366krr8ih/pibidiwudumovin.pdfIn PDF document text
  • https://daks-96.com/f/uploads/files/wegosa.pdfIn PDF document text
  • https://jhservice.net/imagenes/galeria/files/73903885151.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=como+se+produce+el+enlace+covalentePDF 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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