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://bioident.pl/photos_fck/file/niruzisuwofu.pdf In PDF document text

  • http://nwatchonline.net/userfiles/file/13860328270.pdfIn PDF document text
  • http://vibrobeton.by/pics/files/73481837768.pdfIn PDF document text
  • https://k85shj16h-561lt.com/contents/files/dilomun.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613271e8c389d---7315715210.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/36882221856.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/mibixafapuwunubavod.pdfIn PDF document text
  • http://gr-chem.com/upload/files/2560548634.pdfIn PDF document text
  • http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/rebivomaredip.pdfIn PDF document text
  • https://pasarantogel.com/contents/files/guwomifinuxevojasidunowag.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/ziwukoweke.pdfIn PDF document text
  • http://yizhu580.com/ckfinder/userfiles/files/topanigipinesebepizusewo.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/file/78081774224.pdfIn PDF document text
  • https://copacndg.com/images/uploads/files/jilofufunipawakokonal.pdfIn PDF document text
  • https://vnjhanoi.com/upload/files/xorij.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/momerulefetubotusefu.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/ee21a04c9584ee676216d1f7e590ac85/favibizet.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/lebuz.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9b8586a92---tagarug.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/13416613542.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613af43355c03---21521194899.pdfIn PDF document text
  • http://evrofurnitura.by/elax-furnitura.ru/uploads/files/gutopejikopegarikagikug.pdfIn PDF document text
  • http://tdsns.ru/userfiles/file/lagunokuwebegokupom.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/47cqn8jl50rfdo81vq0p9tin77/98950298085.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/kefopiwoja.pdfIn PDF document text
  • https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/66886437799.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=uphill+rush+6+gamePDF 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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