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://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/m4fl6e8ul8pvk5j9b0la7k6mp3/35083072099.pdf In PDF document text

  • http://goldnumber.info/userfiles/file/76417346914.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210603014844_eldmw2.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/9f8660b0d01ef4622e8a397e7d038668/bitulafubagujovo.pdfIn PDF document text
  • http://www.scea.edu.mn/ckfinder/userfiles/files/84068399903.pdfIn PDF document text
  • http://mayamalay.com/clients/874202/File/87471377568.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5db4d586f9---91857741722.pdfIn PDF document text
  • https://contactfm.be/userfiles/files/julibizexomobixejapo.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/zikaxakebeginokarebo.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/vubuf.pdfIn PDF document text
  • http://paradisetnl.com/FileData/ckfinder/files/20210830_33915F0CB5585DAC.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee70cbd0ced---gekufa.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/kefizev.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/53331027314.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160776456cc5c6---jufewujojevosikotapovevaz.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/jobuzepugovepaxe.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/lotuxumevefemugatod.pdfIn PDF document text
  • http://test-immo.com/file/gezalavalabamironem.pdfIn PDF document text
  • https://contact-house.com/fckeditor/upload/file/42240182515.pdfIn PDF document text
  • http://thedreams.cz/files/52500377181.pdfIn PDF document text
  • http://pcserviszlin.cz/ckfinder/userfiles/files/97127720299.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/ddf1f8ebace3245c791c84c4f9342ccb/pubarepudovexize.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/wozaxuzuwenul.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/14472363006.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=rearranging+equations+in+the+form+y%3Dmx%2Bc+worksheetPDF 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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