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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://infrive.ru/uplcv?utm_term=i+forgot+my+unlock+pattern PDF link annotation

  • https://anandamsanyal.com/userfiles/file/84035237873.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135aee97d7d6---tododevifi.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021090823185871.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613146ecee163---dikiron.pdfIn PDF document text
  • http://koppeika.ru/userfiles/file/45845332560.pdfIn PDF document text
  • http://ljjxmining.com/uploadfile/file///2021091106484827.pdfIn PDF document text
  • http://www.oomedia.com.tw/ckfinder/userfiles/files/detere.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/63235354148.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/2291faa007ebc6906a0bf65257ce5555/powaroduselugifasasanema.pdfIn PDF document text
  • http://somkuthyoptika.hu/editor_up/83473559087.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16131d2eb651c9---76459881531.pdfIn PDF document text
  • http://oprandi.it/userfiles/files/niwewawiw.pdfIn PDF document text
  • http://preiss.at/upload_files/files/41127049918.pdfIn PDF document text
  • https://v-rshine.com/upload/images/files/sosuva.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/kaxojizobaxinilixogogexog.pdfIn PDF document text
  • https://uzunlarpeynir.com/dursun/upload/files/zatajidekosaje.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090820205411822.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/45161477131.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff88ca1d03---37845474748.pdfIn PDF document text
  • http://dreamwith.gni.kr/ckupload/files/87290289885.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/9797274280.pdfIn PDF document text
  • http://chinazzjx.com/d/files/25368151935.pdfIn PDF document text
  • https://nayyaralidada.net/alpha/ckfinder/userfiles/files/17236999989.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/dagazikukelozopuluj.pdfIn PDF document text
  • http://floramarble.com/uploads/fajarakurukobaxewanika.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/ronotafuwijapobigitunu.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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