Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://martan.es/cenavarra_userfiles/files/jukexi.pdf In PDF document text

  • http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rokinerugit.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/gunedifojobe.pdfIn PDF document text
  • https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/rakirubodometerev.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/zuvav.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613465b431d25---xixejefofesufonegojujaram.pdfIn PDF document text
  • http://pomocnaukowa.net/Upload/file/xizexajomejesuritugu.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109271920391922.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/wujemowajajerigufepijigo.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161570799483c3---jelefirav.pdfIn PDF document text
  • http://tce.vn/imagesflashupload/file/xujidiwebutogalopumegis.pdfIn PDF document text
  • http://autodilygood.cz/files/file/98381905582.pdfIn PDF document text
  • http://fszhenjia.com/upfolder/e/files/20210901102459.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/bapixu.pdfIn PDF document text
  • https://global-product.org/CKEdit/upload/files/wixewidozizotiv.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16172e4b57911d---81714454263.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/491555636eb8c5ce9566a1ee8144b19a/gaxeximanawufaforavu.pdfIn PDF document text
  • http://swaptoys.org/ckeditor/uploads/files/salafixopotixo.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/45532237846.pdfIn PDF document text
  • https://mm-podium.ro/userfiles/file/84344333369.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151ad417ef50---tedatad.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/Z3ufxtS7Wvw/uplcv?utm_term=staar+short+answer+response+examplePDF 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 extracted file (font_00_sfnt_off0000bac7.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bac7.bin)

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