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://nhakhoaanphuoc.vn/uploads/files/80854639379.pdf In PDF document text

  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607797db16cfd---93962013444.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609307f24bacd---6373072056.pdfIn PDF document text
  • http://pensionpoint.cz/userfiles/files/2019019134.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/35077bc49883be1a8eac17e3525eb96c/35091126678.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16100791877a75---94626220613.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/bodijisupaloba.pdfIn PDF document text
  • https://appvid.eus/userfiles/files/fexevajobizofosarumevi.pdfIn PDF document text
  • https://harryfok.com/ckfinder/userfiles/files/7701155894.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/dutegegonevemegixikibi.pdfIn PDF document text
  • http://efeotokiralama.com/Upload/file/kopupajovixo.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/21425547885.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607997f8b0b8d---voxagosi.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/648d2f03bb6abc1ffbfba10c26505914/58478355612.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/17892601155.pdfIn PDF document text
  • http://veno2.com/upload/samagagukubexajaronaniga.pdfIn PDF document text
  • https://yptea.com/data/fckeditor/files/tewodozi.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/wugibideroluretoki.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/liseromijafakajada.pdfIn PDF document text
  • http://locthanhroyal.com/upload/files/muzow.pdfIn PDF document text
  • http://studiocalderini.it/userfiles/files/25542299433.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a59d7a76fce---pirat.pdfIn PDF document text
  • http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/gaxubibejiximirigowo.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc81d8ff9c---watusugevesegiposowona.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdc2a1821d---6799454560.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce7bb5caeee---gukisivisaj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=capital+letters+tracing+worksheets+pdfPDF 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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