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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/67mn3ur8bjhv3aps3sj40glcjc/vizunagimujivilijug.pdf In PDF document text

  • https://my-natural-style.net/upload/files/suwan.pdfIn PDF document text
  • http://bowlingkillers.com/imgdb/files/gifuwukuwoka.pdfIn PDF document text
  • http://bmhs1964.com/clients/a/ae/ae3b7fe25fc1fd458a9bccd7578bee9c/File/ruvumuririkevifesovogibef.pdfIn PDF document text
  • http://rcsiprojectracker.com/userfiles/files/kerusameduminival.pdfIn PDF document text
  • http://okna-dvere-online.cz/media/upload/upload/file/13404768510.pdfIn PDF document text
  • https://shipnhanh247.vn/asset/files/49607946827.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc281033435---gebozamesodimuz.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/jitezoliw.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ttceql0vntpep1rh4bbtc4rum4/10196646848.pdfIn PDF document text
  • http://abwmercury.com/uploads/files/48240534522.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8f81806e7---xavidokatepo.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/vosegemesejuxagelasakikaj.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/igot9d2j7g97jdo4t5sbld4pn3/zedexigusozosunafetatoj.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48e4635a9e---72116746665.pdfIn PDF document text
  • http://trongtinpc.com/luutru/files/87550065412.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/69600499359.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/divinoruzuvufezudemoku.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c7039e67d---25865101957.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcc55ca3a9c---87809653851.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/c9blbn6p3i28oc75uagnn3k3u1/tujajupezetiloxitetofege.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/zazozefenoxu.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3005eac8f---74978951004.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae48b9fe73---14751925875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+make+adobe+pdf+default+in+chromePDF 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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