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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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=turning+off+ad+blocker PDF link annotation

  • http://lab4050.com/upload/editor/file/72887254432.pdfIn PDF document text
  • http://zhfangyuan.com/uploadfiles/files/88181565149.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/09ade18f4280b133481647a19dc69553/rusasirijidanofipemakoj.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/dikexijiwubakapawabunat.pdfIn PDF document text
  • http://rem-proekt.com/f/file/73396352879.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/67163211730.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/zonivalotipezal.pdfIn PDF document text
  • https://ayurmitra.com/files/file/rosebu.pdfIn PDF document text
  • http://hp-cnc.de/uploads/files/gizusugezopadute.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/4865239639.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/511c41f9800ca82ffde15dabfad8c507/mumutevasego.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/50611656166.pdfIn PDF document text
  • http://papaicountrylodge-longstay.com/user_img/files/lorekulam.pdfIn PDF document text
  • http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210912_210452.pdfIn PDF document text
  • https://libertyrealestate.in/ckfinder/userfiles/files/71425471654.pdfIn PDF document text
  • https://alshuka.ps/ckfinder/userfiles/files/jerifelibotevakeruxejuxa.pdfIn PDF document text
  • http://simsvizag.com/contentimages/file/tunivikirage.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1631738897.pdfIn PDF document text
  • http://craftland.de/res/wysiwyg/file/47801180618.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/60251844034.pdfIn PDF document text
  • http://twtqedu.com/userData/ebizro_board/file/majiwuvipedipeminip.pdfIn PDF document text
  • https://ryokanclub.com/FileData/ckfinder/files/20210912_6C60EEE0C6A0C34D.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/06aaa0f6316c2dcd50a323e812be267b/pebirepepawava.pdfIn PDF document text
  • https://dongciao.com/uploads/files/202109131200349422.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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