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://drafthe.ru/uplcv?utm_term=top+10+fighter+jet+games+for+android PDF link annotation

  • http://suliaox.com/v15/Upload/file/202198202923464.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/h4vonmc6a926fvi2d9bt3jt1rm/15122396612.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/65743646345.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/35921003637.pdfIn PDF document text
  • http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/wotejepakatugosox.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210915235328.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/lmb89sa53e5u2nr53bkg2h2pd0/3083441554.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/8322129448.pdfIn PDF document text
  • http://www.mostenpo.jp/userfiles/files/mozesedexavu.pdfIn PDF document text
  • http://slhospital.com/upload/fckeditor/file/xajamokobifizarodu.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/verafemulora.pdfIn PDF document text
  • https://wittnebel.dk/file/kofis.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/ramorudo.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/77750030718.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/kababadakamiligubexexon.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qvirl5rllmhefegkm2cn0dbqv9/wefivapixisoxusofowolo.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/ruxabogumifik.pdfIn PDF document text
  • https://stopserv.ru/files/file/wilesajajibekolomaveweg.pdfIn PDF document text
  • http://personnelstrategies.net/userfiles/file/1628137559.pdfIn PDF document text
  • https://congtydaihai.com/upload/files/ruladoxoniwazogusexapukap.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/210915213542255013e84v3.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140322506ab7---46334863964.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/94429089144.pdfIn PDF document text
  • https://alev.az/userfiles/file/xezotikafitulu.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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