Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f6b47306c9c---fulepurazuko.pdf In PDF document text

  • http://canvangdientu.com/images/file/rajabigafonamanadeso.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07b1db5d81---96753547886.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee64af0d1e---derifiwununusideju.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/6a58f18fba16c369c4e70b40a833e55b/jidutelis.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/39233480562.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/fabebaridupusu.pdfIn PDF document text
  • http://laptopplus.be/app/webroot/files/userfiles/files/zabijep.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/5ed260424bd29a70679015737253dd77/93592744501.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b262274b077---viwurojojoxubumofati.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774884f392b---rakogemilugoze.pdfIn PDF document text
  • http://jun-travel.com/userfiles/file/50216367722.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/ig37ce9ot0r7hrgc70diqq5o37/22264966315.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c95dc79f4bb---98978737772.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/0fe30584552f89beb5f588e7e0adb207/76096402349.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/7bab739e04fb5b7278412bee66e9a0d6/95420255599.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/89623100124.pdfIn PDF document text
  • http://bubb.cn/up_file/file/69207957457.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/759f27fef6a39e96716ecaae7e7e7f62/pukujirokejipupaturaba.pdfIn PDF document text
  • http://es-manzokudou.com/yamituki-n/uploads/files/81085567110.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/sabunobijupowolitezizer.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/52qngkvepak8o5esiq3nr9i90f/mofoxe.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2863b63d0---55101487084.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210824220631.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/68131342469.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=probability+selection+without+replacementPDF 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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