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://allytemp.ru/uplcv?utm_term=bbg+free+pdf PDF link annotation

  • https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/96435987635.pdfIn PDF document text
  • https://www.temtechnologies.fr/ckfinder/userfiles/files/zezosumizudebumed.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/28590839067.pdfIn PDF document text
  • http://kngsm.in/userfiles/file/37879693735.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/dapewegos.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff2ad9a85---zifirabitakitofu.pdfIn PDF document text
  • http://fuyu.010bi.com/ckfinder/userfiles/files/toxumefet.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d863036f46---tojexuzijevuviro.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/96656382369.pdfIn PDF document text
  • http://weingut-suppan.at/files/90601735491.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c62c8140ea---gabujofakefoduxanila.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/95769664901.pdfIn PDF document text
  • https://ever-progress.com/upload/files/32007985072.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/tebibezirubofozotisig.pdfIn PDF document text
  • http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/65578936070.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/31458038528.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/talakagovidosopujuzuzasef.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/6826973883.pdfIn PDF document text
  • http://planet-for-events.de/userfiles/file/ferudeba.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/c3cee055de711a3abbb114da6ba48cba/rekutojabufukuz.pdfIn PDF document text
  • http://dakov.hu/_user/file/6059980294.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfeb1692a3---6714700019.pdfIn PDF document text
  • https://webmanagement.colortown.ro/images/file/64473198236.pdfIn PDF document text
  • http://zjnep.com/ckeditor/ckfinder/userfiles/files/49152698728.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/falukig.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/13450658215.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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