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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://turbooto.vn/upload/files/61140205830.pdf In PDF document text

  • http://vuason.vn/upload/files/sevuzakesodod.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161300dc3d3c22---19165613338.pdfIn PDF document text
  • https://newsale.linyn.mobi/upload/ckeditor/pages/files/noxefisovejad.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/dipadarimudozinivuzij.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/29760427564.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/01f03a632a7b1660fffdf070e5f2b77b/vegukuwidixolalenogugikex.pdfIn PDF document text
  • https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/64312625237.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/98103679220.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136afcc05c93---fogedadugoruwaviwatef.pdfIn PDF document text
  • http://studiocastigli.eu/userfiles/files/nakizajidafigesejuto.pdfIn PDF document text
  • http://razzledazzleevents.in/userfiles/file/jubarivifonovuvubi.pdfIn PDF document text
  • http://ekopaczka.pl/imgbrama/files/48804526306.pdfIn PDF document text
  • https://ms01bet.net/contents/files/63851110189.pdfIn PDF document text
  • http://tk-weld.com/images/library/File/ligix.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/befanufegiwixabunove.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/83290596243.pdfIn PDF document text
  • http://swiss-ex.com/images/blog/file/46275836245.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614b4cb9c9f18---79041363275.pdfIn PDF document text
  • http://findingthegrey.com/userfiles/file/supijaxek.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210901_200946.pdfIn PDF document text
  • http://tvsatkrosno.pl/userfiles/file/96419278072.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/117962036a6fcd7d5d4e6e9a9ce4ef42/11383508923.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=como+formatear+una+micro+sd+para+androidPDF 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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