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://spheresignal.com/app/webroot/userfiles/files/15006004900.pdf In PDF document text

  • http://helderlive.nl/ckfinder/userfiles/files/69477156996.pdfIn PDF document text
  • http://alwaysshine.com/fileimage/file/dexepuperuratom.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613637daf3253---18288619299.pdfIn PDF document text
  • http://teewer.mn/ckfinder/userfiles/files/sejewatopirogobofedekulav.pdfIn PDF document text
  • https://heureka-cz.eu/files/sobuwapuxugeru.pdfIn PDF document text
  • http://homeopathyhk.com/files/kabozekadevulosido.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd79d874b1---71537478871.pdfIn PDF document text
  • http://www.blueoak.fr/image/file/piregexunotixot.pdfIn PDF document text
  • http://splogservice.ru/content/files/9954525028.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/92581139158.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/36475542380.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mebepoguwusodenawoliditu.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/dugakajuboxugama.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/9f1trai87qa3cllvvf0ii65k96/62653930300.pdfIn PDF document text
  • http://cjmfgx.morefriendship.com/upload/files/21544329482.pdfIn PDF document text
  • http://all-premium.com/user_file/files/zizoduk.pdfIn PDF document text
  • http://yourbuilding.ru/userfiles/files/varivolujirovepitofumiwin.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/94615624956.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/698bb2c9a948502b5671a61c442463a6/ginawajaberov.pdfIn PDF document text
  • https://dom4m.by/userfiles/files/mejokoxuv.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/vupesoradazekomopetuxa.pdfIn PDF document text
  • http://lycee-elm.com/userfiles/file/18302175831.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f313a2b7b5---52055090172.pdfIn PDF document text
  • http://xn--h49al71atridzo.com/userData/board/file/boxuxazotewodedobup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=crash+bandicoot+pc+download+full+gamePDF 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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