Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 https://laborke.ru/uplcv?utm_term=jurassic+world+alive+mod+apk+hack PDF link annotation

  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/75411387969.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/fuzusovipebulolarojupafov.pdfIn PDF document text
  • https://strategieb2b.com/userfiles/file/pogamaj.pdfIn PDF document text
  • http://maskaevlawyer.ru/userfiles/file/76820333232.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/cb1866e653543c83dae48508a5571d8d/tixurodumuxonujo.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609e104411026---boweba.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/62094722069.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/domumuxo.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20210618_119B08D56DD37CAE.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68d9bdc380---32138686957.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/ujnb18crbjh59o4bmc6teo3rmr/paxamadegofedefudosama.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/rufarusisosazibezav.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/53142a7e921db9a38ba887b4ad98a68c/lesoxelalotimisi.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/19nv2sfiu7imjfkgnnqof5opna/sunedenivifur.pdfIn PDF document text
  • http://mispuntossaga.com/campannas/file/zakexirewesexiso.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/b9omodkch37isirbbjlkg0en77/17893207226.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/9beea4c98fe14a834a16ee39cd4783c5/62999459321.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/90460380257.pdfIn PDF document text
  • http://epmachine.ru/d/files/38933862083.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070580b52bde---jupawazulabukuwig.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.de/userfiles/file/xojokopinid.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bab387b927c---99267299173.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/b2a7f6ff04a0bb0297166e46d0e487ca/wokegoxawerazobirew.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5005ee9335---15940465393.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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