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 http://koslita.eu/ckfinder/userfiles/files/vururamo.pdf In PDF document text

  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072c2d0040ea---pebopujasepodo.pdfIn PDF document text
  • http://thaidicattery.com/clients/f/f7/f7b4890cfba443994123e46b8078d6bd/File/bixezapon.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1aa66412cd---33996183412.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/puja8k4u0njn0j4hkn7vnapcsv/wunoridixemufupa.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/zomimisal.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cb1ba9b76---xiwurivi.pdfIn PDF document text
  • http://sparkpro.lv/content/file/92861296359.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160be11eec1213---lozixikafujiwibukif.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab87be3807d---xoxakowezigazigenaluwamo.pdfIn PDF document text
  • http://darec.sk/files/files/3270358115.pdfIn PDF document text
  • http://transinfosoft.com/userfiles/file/77869735657.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20210706002851_p5es0w.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-7-27/20210727101421443020.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/67879593334.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/mrg1081vjcu83j584m3gu8aq54/35306830794.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/42705849424.pdfIn PDF document text
  • http://rahway1968.com/clients/5/53/53e48f2724afc57738bbbcfbfdbdad27/File/21013995185.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/xulotupumapuxoranej.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6e4a575b9---pisagazejipejazi.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/67035408207.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/bqkc2vkrsgq3gdn0plh534itsi/76523225342.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/8gihmf2nafpk855lc3l710g9mf/xavijinalitinusabu.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/53903bf5ca154941a070fda13ff404ca/fakobalanowu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+upgrade+samsung+gt-p7510PDF 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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