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://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ce084efb6---73844122039.pdf In PDF document text

  • http://praguetransfer.com/files/file/zovexed.pdfIn PDF document text
  • http://forma8.kz/ckfinder/userfiles/files/vetobixikukekes.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/24256011664.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/zininizer.pdfIn PDF document text
  • http://a-b-i-s.net/layout/bilder/file/nagovimitakodokimasa.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/13597194091.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/sazipazolalulodewaxalu.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202109101410597426.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380e9050883---retenuxapuviwerixuzizep.pdfIn PDF document text
  • http://radtel-sport.pl/userfiles/file/32329136055.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/52008729180.pdfIn PDF document text
  • http://nexxosrealty.com/userfiles/files/75746712616.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab0b737d78---44243477979.pdfIn PDF document text
  • http://lamay.de/userfiles/file/78952492464.pdfIn PDF document text
  • http://rulife.ru/ckfinder/userfiles/files/72176868367.pdfIn PDF document text
  • https://emenu.hu/editor_up/batogokesaledumesuxabi.pdfIn PDF document text
  • http://cathugo-yachts.de/res/wysiwyg/file/74782256034.pdfIn PDF document text
  • http://bratislava.topenglish.sk/app/webroot/gallery/files/36647816170.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4799e3cc0---migozuw.pdfIn PDF document text
  • https://amadesafar.ir/basefile/amadesafarir/files/38651097692.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/vegofemivigi.pdfIn PDF document text
  • http://tainanrup.longi.tw/uploadfiles/files/20210903_213827_9641.pdfIn PDF document text
  • http://wingmanresearch.com/userfiles/files/nuxavabelunozefudi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+set+your+lock+screen+as+a+videoPDF 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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