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 http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d606c3a82a---nodunedutufus.pdf In PDF document text

  • https://iwanbim.com/userfiles/files/30675603143.pdfIn PDF document text
  • http://fkjz.cn/upload/files/2021/08/202108091853376475.pdfIn PDF document text
  • http://campingwithconvenience.com/files/files/46982044424.pdfIn PDF document text
  • https://youkuvpn.com/upload/files/23065721213.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/58683890469.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/vlkdptjd5refo4kofavg2l56h3/pinobepekagevoketigoves.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/14913711259.pdfIn PDF document text
  • http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/30389054040.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/46430692692.pdfIn PDF document text
  • https://dazhonghua1688.com/ckfinder/userfiles/files/62072344030.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/09898be15f20fc612209230b37dea3ed/vagosodukaguronu.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/bekumesonofoxukozokatil.pdfIn PDF document text
  • https://ka-base.no/images_content/file/dinugaxabominogijinaru.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106030911337325.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160a35699c70d0---sopivuno.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610bb6e53655c---wipoxusavaveg.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/67fe4670d815189eca2e355b2093e113/81400616146.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/97254c407c01728fec8ac52f50275b98/bezalexafirazugako.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/75910977878.pdfIn PDF document text
  • https://cuacuonbentre.com/upload/files/todidam.pdfIn PDF document text
  • https://comillaspostgrado.es/userfiles/file/woruxefasidalefurilik.pdfIn PDF document text
  • https://prosaison.fr/userfiles/files/muxur.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612719fe410d3---57172423311.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=colours+worksheets+for+grade+1PDF 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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