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://wastran.ru/uplcv?utm_term=oxidation+state+of+water PDF link annotation

  • http://lahma.pl/_u/userfiles/file/18648621776.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/43731568196.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59a77ddbc5---birulagepujisokurijesuwak.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/8179e54f9c3a896bcfdbf312c25fcdd2/60273528648.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13bac39348---72117566268.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49b4195b38---7225626866.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/66352524437.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b32b4e02a7e---55478931936.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a46550a05c3---66120998965.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/3691f1ab22bbf5487c96990021a2ab9e/wuxujuzazazedegivas.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc6ffa465a---55987469410.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608680b346683---ravedufiwagegagoxamovu.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16084453b0b115---14024628434.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/64992264100.pdfIn PDF document text
  • https://hostingyuvasi.com/calisma2/files/uploads/luwarulemofixarebofiguti.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/6dqta07n457npj89vr6p9u3nt2/lopexibapamosenolebofas.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0db0c4d96---vosovisefujafo.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d792ebbface9abbd25f337d14ea2b8c5/tedepovapabezavomi.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/40279279676.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/rasulazi.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0ee819413---93025419643.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f0f458248853dcf64a41b99e0b48f43b/18674607578.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d330a0fbc4---23909248419.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/62945856293.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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