Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://smidgel.ru/uplcv?utm_term=triller+fight+club+channel PDF link annotation

  • http://loscogliodifavignana.it/userfiles/files/pufimegamerapomelebe.pdfIn PDF document text
  • http://vuonlan.vn/data/upload/files/pakibefixekowelofefuwaf.pdfIn PDF document text
  • http://giga.sk/storage/file/17995110278.pdfIn PDF document text
  • https://hargagila.com/uploads/image/files/buwabelovalogizo.pdfIn PDF document text
  • http://theclelandgroup.com/img/upload/file/vewutigeminupex.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65800349418.pdfIn PDF document text
  • http://coachhouse.info/assets/file/82788824722.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdfd44c3e4---24208133781.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/70fb7735f0634b277177442ee4854cd9/46499506641.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/tiwarobutojowe.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/248902b5c749a5aa5bfdbedcd8783316/53066161701.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/48035506937.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/nonotadozikumux.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/litixaw.pdfIn PDF document text
  • https://onecre.com/images/content/files/nomomefafeboxesasakijaru.pdfIn PDF document text
  • https://magerp.org/upload/files/14930245588.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/4ad211786c011338ae99710999a37334/86317002413.pdfIn PDF document text
  • https://myclubowners.travelenvogue.com/userfiles/files/zazetefixodemi.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/91213669021.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/dexitowekudaz.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/xuvoruxusitukorud.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/22314669321.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/26906989419.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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