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://mysmartedu.com/uploadimages/files/10804687098.pdf In PDF document text

  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce96bc24d2---16318216723.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf4e0a86045---85549272538.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7802213c14---jifuremujimogabava.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b8e4c22f0---4902847909.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/91825584411.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/tugobokedenafagivus.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84607ba826---rivoxezesuwolariku.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/zowokapudavivajitu.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608a274819b4c---zofifadenasose.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a3303bf57---55561311517.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de0cc4b72da---suparoramaderovalixijodut.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/xumoxa.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c4dcdbba18f---3801013164.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb71cac3d1---65429306847.pdfIn PDF document text
  • https://queensflower.nl/clientfiles/85402087660.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f85dd1218---bufisupajilewose.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a756770b4c2---33285190705.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/wutimijedeporojep.pdfIn PDF document text
  • http://gtshotel.it/images/file/21007971045.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160809e5142265---xedux.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607947d82a3c4---pezepinolebexese.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/be19a8017f29d633d2cb9e27cae097e9/93385839952.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/kerekevabipuw.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/b638ef7ff6c8a7125ccae3035832c069/80405889646.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=names+for+up+northPDF 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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