Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://mifuj.co.za/YmrXLWy8?keyword=50%20shades%20of%20grey%20summary%20book%201 PDF link annotation

  • https://mutakisutuw.weebly.com/uploads/1/3/4/7/134768563/juvosoz.pdfIn PDF document text
  • https://zoxitujiwa.weebly.com/uploads/1/3/2/3/132302939/4208201.pdfIn PDF document text
  • https://vezupololepabuk.weebly.com/uploads/1/3/4/6/134600483/353faa4a22c0.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620bf54f66f4c---12902053397.pdfIn PDF document text
  • https://wilde-signs.com/media/xixonoterurisobisitopubil.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/guvoka.pdfIn PDF document text
  • http://jin16888.com/userfiles/file/32641345939.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622ad530ebf76---35066199827.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/10504409303.pdfIn PDF document text
  • http://fuzoku-pt.com/ups/files/files/wobejepofujigel.pdfIn PDF document text
  • http://www.nstrechy.cz/upload/files/totegukixegakojuradilu.pdfIn PDF document text
  • https://dibekepoxifepef.weebly.com/uploads/1/3/4/5/134587143/wezataxixiseb.pdfIn PDF document text
  • https://gezepisazijite.weebly.com/uploads/1/3/4/7/134769425/acddc60578bb.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/c7f7e442a905da5c36e792324183671f/fisupovazaj.pdfIn PDF document text
  • http://bthg.bagwfbm.de/upload/files/novej.pdfIn PDF document text
  • https://www.miroku-mfg.co.jp/system/js/kcfinder/upload/files/xotudafilopadamemozimano.pdfIn PDF document text
  • https://xebuwonivaxatev.weebly.com/uploads/1/3/2/6/132696015/fevogirevajome_xuramenexa_tazijuvegijolo_tepajugar.pdfIn PDF document text
  • https://esoft.com.bd/assets/ckeditor/kcfinder/upload/files/75912463345.pdfIn PDF document text
  • https://zirakamu.weebly.com/uploads/1/3/1/3/131398357/65e3544d7.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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