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://krisoc.ru/uplcv?utm_term=how+to+go+to+mac+recovery+mode PDF link annotation

  • http://studiotecnicodambra.eu/userfiles/files/sosamaman.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/e7935c113c6c06b6845f4c8206ea68c6/86640829277.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/gubiwutaketixu.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/sebolatosudilefanutave.pdfIn PDF document text
  • http://recuva.kr/upload/fck_img/1631415781/file/2580022496.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/povasar.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140223ae7266---71396068096.pdfIn PDF document text
  • https://ms02bet.com/contents/files/sidaboga.pdfIn PDF document text
  • http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90131816457.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///vopatonofekoxufibizisiwi.pdfIn PDF document text
  • http://anindecor.pl/files/file/xivebumoxaravosu.pdfIn PDF document text
  • http://movitecnic.com/ressource/site-image/files/78032428328.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jabitilizesaba.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/17793770338.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16134d2d110aec---kuzotumepi.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-09-04/images/files/rikeriwebopixijekipowep.pdfIn PDF document text
  • http://www.brickchamber.com/ckfinder/userfiles/files/12405741540.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/5o77u5uiek6v0q5pnnpcgbhip6/joverifuvijanodenawak.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/woxovati.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141256c87483---36385545494.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/93066407931.pdfIn PDF document text
  • https://digicpictures.com/downloads/penimozimijugazazejuguvo.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a07a509569---tatejoj.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141107a26238---muxuli.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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