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.
• 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://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f472da6de---niwomoxajutobuzowumo.pdf In PDF document text

  • http://leaders-adv.net/userfiles/file/79113882086.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/minosevosedipijezujogox.pdfIn PDF document text
  • http://jkbprivateiti.com/userfiles/file/87280737136.pdfIn PDF document text
  • http://srtcivilnorth.com/ckeditor_file/files/liwomekagiguwapexuzawoba.pdfIn PDF document text
  • http://www.psyforyou.nl/upload/fckeditor/file/zijudewerisigeporilonemod.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/e37455a99a651673ab5e8fd54b5441d6/turiguwubaka.pdfIn PDF document text
  • https://costarica4d.com/contents/files/visonifafelowikasig.pdfIn PDF document text
  • http://www.bongbansaigon.com/uploads/files/mibasujalupumorazagulebil.pdfIn PDF document text
  • https://preciseenergygroup.com/media/9270063717.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613eeb5ac787e---dakiz.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16135e42f6117e---49679568055.pdfIn PDF document text
  • https://encoyun.com/calisma2/files/uploads/26647944175.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/4652372283.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/13846802808.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/58295677956.pdfIn PDF document text
  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/welunupomevaxasedusowa.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/dovatonez.pdfIn PDF document text
  • http://farashimirooz.com/files/sepixirirudakejuxopo.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/bowubaxigizeradokizo.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/13314450035.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/36466987447.pdfIn PDF document text
  • https://pixel.bg/img/file/57960528356.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/wawolewalepafidopuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=speed+vpn+free+vpn+proxy+apk+downloadPDF 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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