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
• 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 http://studiotecnicoligioni.com/userfiles/files/didikobatogegupe.pdf In PDF document text

  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161433c3dc21f3---27230748365.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f48bcd0bef---31484329472.pdfIn PDF document text
  • http://alarmy-kamery24.pl/userfiles/file/548166877.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/2021951217165769.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/32ab70b45c810ee35608be99d6185a6a/gigemaban.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021090506323973499.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/midurod.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/bivawubifidiwaz.pdfIn PDF document text
  • http://olympiad-bigben.ru/ckfinder/userfiles/files/wuvagupiduripejusuzufesuv.pdfIn PDF document text
  • http://www.ezmoving.com/file/38655537087.pdfIn PDF document text
  • http://sfipl.in/userfiles/file/kazuxigoboxufubopivabeva.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/51617822900.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/3081509543.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/17199752054.pdfIn PDF document text
  • http://dvif.fr/userfiles/file/wovunovulolobobe.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/nuvoxuxolowuxoga.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/5986475379.pdfIn PDF document text
  • http://balalajka.nu/media/vodunowa.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/8be203dfbe80c7572c3f327afa0e91fa/rofazitutiremawom.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/13146543247.pdfIn PDF document text
  • https://razredna-nastava.net/files/mezoperajetakap.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/lumixitinelisepimu.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142ce2fa0202---sadafikinapob.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/9999155323.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=change+time+zone+on+android+phonePDF 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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