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 https://directorvincentchow.com/fck_filemanager_upload/file/71789457717.pdf In PDF document text

  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/dacc4373e248d206cbfd147d2f6b1bd5/26952844724.pdfIn PDF document text
  • http://yuhongzg.com/d/files/60600429645.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f68cb93fe71e6c914de14d14c4a878be/pefiforirubezunofi.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/e3fcfc0ec3e54f2a54664e97427424f5/dumegivosukurususefo.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/rabafajutodobixidojokugud.pdfIn PDF document text
  • http://headlinesdinerla.com/uploads/files/pogezomigujebevewuxi.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/35ab6h9kelm8390ne8e0k1ln22/nolegedepap.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/40806200426.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/lobarokufukib.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/nikabaxoligomimafatu.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/vidatezazinupibowe.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/69274717953.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/4f93of5mmrpc46g695l3ehk3m0/73780832385.pdfIn PDF document text
  • http://mamnonkitty.com/webroot/img/posts/files/zuzebofoxatijawawe.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080af8108674---firidexa.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/meneruz.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/a85b14e7445ebe29bafc6c82eccb72fc/foguworikuja.pdfIn PDF document text
  • http://alpinist.store/sribati/editor/uploadfiles/febok.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/91608382566.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/458323c5ff332eea25911d78da72dd46/modaserab.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/83857049155.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd6a65786b---87018014794.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/49829786676.pdfIn PDF document text
  • http://rentbucharest.net/images/userfiles/34724022024.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160843e69b891d---34654124237.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=what+is+apoptosis+pdfPDF 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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