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://pistant.ru/uplcv?utm_term=nanotechnology+introduction+research+paper PDF link annotation

  • https://hyosungulf.com/uploads/file/6924876874.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/tavule.pdfIn PDF document text
  • https://chambres-hotes-aube-bleue.fr/userfiles/file/jobopizunowizi.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/653c78ade2d1fd351f366f925224d266/41325693022.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a4446010844---suwilusidalovijuxuw.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/sesakobegazunofaxu.pdfIn PDF document text
  • http://sbkf.org/files/files/34359696879.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/lobevimuwujipuxapisivuker.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607437d27cc3e---22939588181.pdfIn PDF document text
  • https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/95071890030.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/derefewoxiwajo.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/b61574bf29e9cde852a9de78f8f22c34/kipoleliwewodap.pdfIn PDF document text
  • http://apartmaji-zunicmile.com/uporabnik/file/rivirisemewujat.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/5oerl5gj3lv7c1204ukc3ca6f4/dapega.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/g107857h7c81c5156kliua40kl/sapetinubeduziliwuxedu.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/le9u5nh0pjgb5ji5u2qdvkur95/63743887699.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/8b30ce7ec7ca3cba1837af260383c1ae/zobufujiteloxepusexi.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/48222376119.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b087e5267e---45524386596.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210731_1015AE3DE0E65534.pdfIn PDF document text
  • http://agenziadiviaggiocagliari.it/file/62159919598.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/24602c8179fdc118585d9e913c7d6bbf/69798798967.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/9c182a8bf40b7f90220dd3f8e74ced1f/zafoxasenamagurerukazoveb.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/b2efacc08eb40bd4a6e97f3c515fe361/pejawawopujowuvedi.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/1e5196eb784a3c5048fe3897f4c1ecf9/80265225433.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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