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
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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 https://coretry.ru/uplcv?utm_term=free+v+bucks+no+surveys PDF link annotation

  • http://eszixv.hu/ckfinder/userfiles/files/73376101028.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/gopulomopaxefobagutavuvi.pdfIn PDF document text
  • http://cuacongtudongbinhduong.com/upload/files/74342281355.pdfIn PDF document text
  • https://bisleri.genefied.co/ckfinder/userfiles/files/28411693443.pdfIn PDF document text
  • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/fedalogonatibavumab.pdfIn PDF document text
  • http://thangmayedex.com/webroot/img/files/83485692510.pdfIn PDF document text
  • https://kawanmto.net/contents/files/44032147293.pdfIn PDF document text
  • http://internet-trade.cz/UserFiles/file/ziwewetimutowat.pdfIn PDF document text
  • https://netron.pt/app/webroot/media/files/sewenumonaliwadopipafedu.pdfIn PDF document text
  • http://7sate.com/filespath/files/20210914190754.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/594381df2f47d585f7e7e4b57556b422/83067009031.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425cf7338c9---80374485676.pdfIn PDF document text
  • https://impeka.lt/components/com_mijoshop/opencart/image/data/files/75465466908.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161360ebc45044---pekidekisunox.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161391d64df35c---97120878580.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/amdpe4acnmf0f6ck71vh1efmj4/65466760378.pdfIn PDF document text
  • http://resheto.ru/users_images/fck/file/69425360872.pdfIn PDF document text
  • http://prosefkuchare.cz/userfiles/xizaziwetikurufibubapo.pdfIn PDF document text
  • http://votejoedestefano.com/editorData/file/79843563869.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614193494a941---77694959602.pdfIn PDF document text
  • http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/foxowimifa.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea02ae73e7---zuxadivezivufagedobafup.pdfIn PDF document text
  • http://midospa.com/upload/files/tuxulejemaxuwedevibuva.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210913_304D9FE98B8DAE84.pdfIn PDF document text
  • http://gioithieu.btccorp.vn/uploads/files/90778429764.pdfIn PDF document text
  • http://civicwomen.com/ckfiles/files/zonoposeb.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a2e46f42d---xoluvobizirudekafereb.pdfIn PDF document text
  • https://nabijdefossa.nl/upload/files/46784429495.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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