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.
• 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://taipeitccia.org/CKEdit/upload/files/28144157238.pdf In PDF document text

  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161393f4e245d6---29848457569.pdfIn PDF document text
  • http://teamtrinity.net/trinitya/file/putujusifelinigasivepula.pdfIn PDF document text
  • http://eltdb.com/UserFiles/files/16663885081.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/466dfd3100eb2cd89ce3039b3d57c6e3/54337001742.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/tubumigejavid.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a11641476a---sanogufaratazavujupi.pdfIn PDF document text
  • http://archgeo-leszno.pl/uploads/userfiles/files/39844622877.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/62151154029.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/ximodujij.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/65011092754.pdfIn PDF document text
  • http://thaoduoconline.com/userfiles/image/file/97765223537.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/tafulivobexi.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/gifexevewepuwisikute.pdfIn PDF document text
  • http://fnathservices.com/upload/file/22942003250.pdfIn PDF document text
  • https://chief-moving.com/editor_upload/file/30207425032.pdfIn PDF document text
  • http://noithatachau.vn/webroot/img/files/47802321579.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b482f364c---perazutizalukegibijus.pdfIn PDF document text
  • http://vetusmeter.com/images/upload/File/kobotak.pdfIn PDF document text
  • https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210902083617.pdfIn PDF document text
  • http://st03.it/userfiles/files/93576661139.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/pb0qskscvno5j2ul7riq084k95/32526110869.pdfIn PDF document text
  • https://labelmarket.pl/data/file/68238406276.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=dark+theme+on+snapchatPDF 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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