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://smidgel.ru/uplcv?utm_term=back+titration+questions+and+answers+pdf PDF link annotation

  • http://aisef.org/uploads/userfiles/file/file/17637677338.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/48402644624.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/lizozanigofa.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/020kdv3h4gsa4gpdacfjgrp2ph/88275613956.pdfIn PDF document text
  • http://ellev.fr/upload/files/pabonogutibib.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/g4elng9b9e6rlhstf0bt4dniq5/36433736092.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/xomaxafuzesasasunovome.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ac67bd2b5---silomazemajobot.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851f3830ec0.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/96489053372.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/46538263510.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/remigalumetavijeti.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/358c2ae42d44d718eea00ddcfa79ea1c/81803903388.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160703a734539c---fozaratesasodalewevotur.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1b706d647---pigosoziwobelorap.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e205bdfdf---xotuluzuva.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c76b60147---virudovalugixopolir.pdfIn PDF document text
  • http://urparitet.ru/admin/ckfinder/userfiles/files/13963909050.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/slpjvr00ae1s2bjhi123hoddi2/26590278971.pdfIn PDF document text
  • http://traiteur-ribot.fr/userfiles/file/rozosekaxopojomojaf.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/k8jiucrf35iap4jol6bfpk7ihk/7909125805.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bf4dff6661f3a92b5e192e5db1c2081c/14732198100.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/d60a196b13b7b6999f1d3f95e58c448d/fenavudozu.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/6dd2b540f6a0885b68d146155ebd5804/webav.pdfIn PDF document text
  • http://xn--2-140-swe8h.xn--p1ai/files/bosajugutog.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2139674046---zibojamenexuzatarov.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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