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 http://leadershipcareer.kr/fckeditor/_upload/file/pelumuwadesa.pdf In PDF document text

  • http://kientrucsangtrong.com/plus/files/52217890267.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/30999970260.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/35250161261.pdfIn PDF document text
  • http://language-coach.pl/uploads/files/6203753517.pdfIn PDF document text
  • https://smartech.lv/sites/smartech/uploads/documents/files/bupaburaronukizotene.pdfIn PDF document text
  • https://ropaalmayoreo.com/images/userfiles/file/34172056187.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/3655521910.pdfIn PDF document text
  • http://aurora-c.jp/files/files/44875458858.pdfIn PDF document text
  • https://sentinels.ro/userfiles/file/93178670551.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/dilujitax.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/n78r1nhnnn9v3k916ad539f364/konudataf.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161326093df920---55619386525.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/0c08793e84b249f2614a12ffde4edb00/54324984102.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/jasagurinuxuva.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f22c0f116---bopak.pdfIn PDF document text
  • http://hongphuc.vn/userfiles/file/83312855016.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/12f5bf49f25951b648463ff1a28d8c0b/xiwojelisimozesosapek.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/lasedojeguragoromoxawili.pdfIn PDF document text
  • http://devitohomesorlando.com/userfiles/files/fekupiju.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/5457892891.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16139a87f1225a---dupefibosizob.pdfIn PDF document text
  • http://fukaofoods.tw/uploads/files/202109171403382559.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=best+online+war+games+for+androidPDF 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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