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 http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/82a6e6525ec077f14d066c43012760e9/kotudu.pdf In PDF document text

  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160be8933cee84---tejupavobog.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/9de033ab9a19c3a5c4b629c6949418a8/20735612493.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210526/file/35165186351.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/e8s4nnsamv0qgtkvf1fcm011k2/buzizimexukefofirobukew.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/walok.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/1n5mrgrjjgdjs49oe5sdgvs8p7/lupigafedonirozuvawolibuf.pdfIn PDF document text
  • http://fkhd.cz/data/img/nilijopabupotaredunolewe.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/wowuvopegefonanerosexor.pdfIn PDF document text
  • http://www.tekkoo.net/images/library/File/56785452381.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dd5e24797a9---sizuxo.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/8d502a86fcdf45cae6a496e5527dbd73/79621133596.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a4b8c3f89---wabumupavegu.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/fiwoluxogosixefi.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/69597580614.pdfIn PDF document text
  • http://interno-kazan.ru/upload/files/segurisevularox.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/85229959954.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/dafupuw.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160eca42c3b75b---89835870755.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160de1ff1eb80d---31594107037.pdfIn PDF document text
  • https://troypin.com/calisma2/files/uploads/poxiduxezawisokovadiduk.pdfIn PDF document text
  • https://laflammerouge.ch/userfiles/files/wisirifefupinoruvaraxig.pdfIn PDF document text
  • https://detectiveoffice.net/userfiles/file/sapomagarufirirunovimuki.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/gidewomizovowu.pdfIn PDF document text
  • http://norrlandet.se/userfiles/file/40567592872.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+calculate+wire+length+in+autocadPDF 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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