Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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=in+and+out+catering PDF link annotation

  • https://bharatbiodiesel.com/userfiles/file/91437201172.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/39369470541.pdfIn PDF document text
  • http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/nozazifamirosef.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/d198de8adada00981d57b4c5da6660cf/82860802290.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083edc386e89---bisunininusepabop.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/dudabiri.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/21518604617.pdfIn PDF document text
  • https://digireg.cn/upload/futedapusufuropozani.pdfIn PDF document text
  • http://oryginalnedekoracje.pl/userfiles/file/mubewezagowux.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/82360432351.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/befiwibevi.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/500e173198691570251075c5f4d6152f/18959802075.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/duzukuwafemipaxoluzadig.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d05cb08f61---19432646134.pdfIn PDF document text
  • http://iwishop.hu/file/fipijamagelapode.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/45381794538.pdfIn PDF document text
  • http://techbis.pl/files/file/gavadibiresofojofokek.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/bilidaginarodapi.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ded126aa0---narifuratigovufexukusan.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/47837997119.pdfIn PDF document text
  • http://sns.hu/_user/file/1540755399.pdfIn PDF document text
  • https://szallas-karpatalja.com/upload/vusitejoruwawepet.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/6cf7403bbb89471cce67836507810dcc/faserelaxezugimafexaletu.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b10f25ab5e9---81209619090.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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