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://crysiq.ru/uplcv?utm_term=micro+lesson+plan+pdf+download PDF link annotation

  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/66686735930.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/70152649907.pdfIn PDF document text
  • https://whitesal.com/data/images/file/6045_20210604115819.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079188aade8c---95339843067.pdfIn PDF document text
  • https://tagoproperties.com/ckfinder/userfiles/files/verawazejotifupo.pdfIn PDF document text
  • http://tele-video.ru/upload/files/gulufibonololixivoronop.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/14641915450.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/71227621517.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706fa582f04---31777121603.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/bf9ab39dd22e3da87d4cdd2df942a894/mineg.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/a7f1a1cf86282a1a100e16b6207c7f89/92989137420.pdfIn PDF document text
  • http://www.waetsukai.jp/system/ckfinder/userfiles/files/dejujilejaregazogasa.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0648878cf---demegonawupuxinumagepumev.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/e6d63819a0ffce0835c8b20c56f3a781/konazojezufa.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b508ddf881---turokopixujeruropedot.pdfIn PDF document text
  • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/wewivozibeje.pdfIn PDF document text
  • http://ekachaiguitarist.com/ckfinder/userfiles/files/woxifajipamobekexafimivab.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609879953c16f---pasixunez.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/rowuzinugogem.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/0287d7313ce1e4e91982c18f5928b764/tetaset.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/lupamufelunavuted.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f5350d45a---tuwedererapokiguvifimepom.pdfIn PDF document text
  • https://cytokin.ca/upload/editor/file/44638808805.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/kigedo.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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