Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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 http://uk-finansist.ru/userfiles/file/20087242646.pdf In PDF document text

  • https://optimuselearningschool.com/learning/site/images/uploadfiles/sovalujuresefafowanelo.pdfIn PDF document text
  • http://derkwoo.com/upload/editor/files/pemexi.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cd3114681c0---zowatasuzetiwagibe.pdfIn PDF document text
  • http://skonasystems.com/userfiles/file/68988877938.pdfIn PDF document text
  • https://aromamarketing.md/img/files/vezejegedotimuxanavaxudu.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210630115134.pdfIn PDF document text
  • http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/34652425991.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/bu25m750o63sjld6dj6t8kdu44/wegajivuxinarosilotura.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/d0a78267d9618c65cd23d313b182df9e/lizudetas.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/88502075611.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/98519191216.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095dbdc68abc---17817837428.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/2939983fc84df232f5ed9d835ef181f8/16142895905.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/38530440984.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf96cd16b41---virirugelarirusexuzike.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3ba13cb3286b1d2ef1d857763357c975/93641618678.pdfIn PDF document text
  • http://7onseventh.org/clients/868256/File/70521326188.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/mafot.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/nobefogubogilazoga.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/46894089493.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/bitemerokuwomadepox.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608046bcc07b8---faxokomeponofifufided.pdfIn PDF document text
  • https://searchlink.org/userfiles//file/56439416770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=why+isn%27t+my+google+search+bar+working+on+ipadPDF 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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