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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://queure.ru/uplcv?utm_term=chrome+web+store+page PDF link annotation

  • http://osayit.com/images/file/69455239049.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/maguba.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/xugejiwafuseg.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614b42076cffd---6605663868.pdfIn PDF document text
  • http://dichvugiayphep.biz/upload/ck/files/defoxatepelejeri.pdfIn PDF document text
  • http://ilkjv.com/Images/Media/files/13553850962.pdfIn PDF document text
  • http://0965818789.com/CKEdit/upload/files/dafixaxutonit.pdfIn PDF document text
  • http://mgtuae.com/uploads/file/32433579107.pdfIn PDF document text
  • https://2b3la571ga-70p.com/contents/files/27413197594.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c77fa23b8f---dizoxajigawitibuwinu.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/dowurimed.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-22/20210922164527937086.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/9488055748.pdfIn PDF document text
  • https://datatalk.ilvzhou.com/upload/files/2021/09/202109280749071208.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/3717140952.pdfIn PDF document text
  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/91107917830.pdfIn PDF document text
  • http://malir-naterac.info/UserFiles/File/leluruxopevelonolu.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/o4vtacgppdg8eo28eir9nbu9f4/81713876023.pdfIn PDF document text
  • https://spandoekland.nl/userfiles/file/21069081719.pdfIn PDF document text
  • https://rjpexport.com/files/gepopanigoxuvojevawepazi.pdfIn PDF document text
  • https://dragonexpressml.com/userfiles/files/dezuzefela.pdfIn PDF document text
  • https://klcconsulting.eu/klc/file/42840724798.pdfIn PDF document text
  • https://exam12.menapoint.com/app/webroot/upload/files/64177035628.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/b0a30d0088c98e99eb37d268f5faf72d/58631632883.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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