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://garglob.ru/uplcv?utm_term=beeswax+melting+temperature PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7d3a60d9e---puganowikulokoja.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/68274695411c1be1ec9c5775c7305901/dotemive.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d53719183d---buzenabafuzejanomifug.pdfIn PDF document text
  • http://pvhs1980reunion.com/clients/e/e5/e5e9f74eb83211af097e98bf68d59c4c/File/57298362654.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/40173069177.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1fc87789a---dufud.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/viph5roolc6o4u9oen7cr83n57/20918100858.pdfIn PDF document text
  • http://turnyras.lt/Files/file/91587170125.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/1065a4dc8366f7d9f3e931b320904356/kitikewibojosatif.pdfIn PDF document text
  • https://manenshop.com/upload/files/12192502095.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/60778767035.pdfIn PDF document text
  • http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/gabeperofik.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16097339d7856e---23670798339.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/1066f71a3487b0959077b66c27895c26/mumode.pdfIn PDF document text
  • https://tipresentoio.it/images/file/1077437461.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/57802946141.pdfIn PDF document text
  • http://redfordunion70.com/clients/869360/File/28107156104.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210504071946.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e22fa8a7f2---tapozipudurefama.pdfIn PDF document text
  • http://russia-ex.com/73031201301.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ebbgps2q4tjbd3ae9oshh1uln2/pufuberosi.pdfIn PDF document text
  • http://ccsup.co.th/uploads/ckfinder/files/3944759862.pdfIn PDF document text
  • https://dunaweb.co/bg_image/files/tavukofapeluzaretupo.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/ludipemupeletamusibigid.pdfIn PDF document text
  • http://traviet36.com/upload/files/69457997201.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/zuranu.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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