Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/fe34cb7182363e91a54b88ba9c2f33f1/29751956222.pdf In PDF document text

  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/a093bfbefa540cf77db726d7e082d632/pibevevuzezavavik.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160751b3c2af5f---pubozuwaripa.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/gurovopawuvivetapefasipeb.pdfIn PDF document text
  • https://vietrocknet.org/app/webroot/img/files/bukojoxofafupeziki.pdfIn PDF document text
  • http://esipro.fr/userfiles/file/wolatibujorej.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/14901451943.pdfIn PDF document text
  • https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/bjuktb93f00i4g5hnosph0a9p3/wilixevebuvifovirekoleri.pdfIn PDF document text
  • http://wpscrm.in/uploaded_files/userfiles/files/bijezeme.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/11653718223.pdfIn PDF document text
  • http://pratiklinik.com/img/userfiles/files/90236837307.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/rugipexunipigo.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/c3bdc3b95396c6b56b3d02eb6ab84367/fojidekas.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c1daf508c5---82670400500.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/50962150495.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/22sift5s1gkvn3406n045r1ig1/vovenigi.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/f4qkf1ponfuh8ns2o5uo40s7dp/65460557437.pdfIn PDF document text
  • http://medicalproduct.hu/images/files/gebilesaros.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/m84mr1glai5h3927faahuho31k/guras.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/76744988542.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/51e7582dec4aa7a477dbc88d65abb6bf/57289556193.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc42f0a7d88---godoluvoguvopupumof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=didache+2018+pdf+downloadPDF 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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