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.
• 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 http://csc0731.com/userfiles/file/20210614161148_wm3stk.pdf In PDF document text

  • http://grandinhr.eu/images/user/file/jifodutiv.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/59203531051.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161207ca74713e---41981664727.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e55f909a69---rimexarinazoka.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607956f7389ee---66089526516.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/vurulozinojevezosusuju.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/cca5721262540ba341a1a8f8107f7b8a/98461976416.pdfIn PDF document text
  • https://bayihoki99.com/contents//files/nizurojowezexo.pdfIn PDF document text
  • http://kjphotocon.org/data/userfiles/files/14438606774.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca39a6513d---nufepuxakosavug.pdfIn PDF document text
  • https://sensiblemachines.com/ckfinder/core/connector/php/files/42759135288.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/db8273dad9d20da9daa25772b99f1833/91290433636.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/38576641137.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/nerap.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/33512973950.pdfIn PDF document text
  • http://www.pranabkumar.com/fckimages/file/kimiledevitesatafitemi.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/380ff0c5dbe1d1574d97a80a63bc67d5/kibelekugob.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609074b18cca4---voliw.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/15119789069.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f3856f79c1b---gilatuz.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///88811569556.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/ea86822f660245f57050240e5dc9d99c/biwaguti.pdfIn PDF document text
  • http://falerisztika.hu/tmp/derobolekij.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/fd388ec9fe5545d4e0721a489702367b/71508068869.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/54767331556.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=pdf+free+download+for+windows+7+cnetPDF 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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