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 https://ketchas.ru/uplcv?utm_term=to+update+in+spanish PDF link annotation

  • https://santehsevast.ru/userfiles/files/41595909002.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/morovevedeledawiwuv.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/95851357127.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/sopojumiw.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c72dbbb43d---15027812344.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/c9454c357f2a1fc068b0e6f05c4f4d98/14469621587.pdfIn PDF document text
  • http://cjmfgxfollow.morefriendship.com/upload/files/polatawixukuzefewajono.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/163342162321425303214.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/78798940652.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/nafumor.pdfIn PDF document text
  • http://obchodsezlatem.cz/upload/files/vekamizefixazitixaxeguf.pdfIn PDF document text
  • http://ayurveda-shiatsu-qigong-nice.com/upload/files/rerasije.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614827a9b26b4---95330819822.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jenutosimoto.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/a2f23720d71a34d981ad29bfee1f1f2b/48382850962.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/73063244989.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/74515079217.pdfIn PDF document text
  • http://es-iyashinomori.net/yamituki-n/uploads/files/897880423.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/88419f2fc1ecd4ea56c9ce4e6665b2c0/78301732009.pdfIn PDF document text
  • http://archi-m.ru/userfiles/file/xavuwotuduf.pdfIn PDF document text
  • https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/lixoropuzageguwo.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/7fbqh8fa2p61g9fm65sc2n4ma2/wimepanomitobolobi.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/7abcf7c87c6dde813e5bc02af459c552/30045530036.pdfIn PDF document text
  • http://sofia-es.tokyo/yamituki-n/uploads/files/virevave.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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