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
• 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://nwatchonline.org/userfiles/file/95534459398.pdf In PDF document text

  • http://baraanduliaptti.org/userfiles/file/1198526559.pdfIn PDF document text
  • http://karimeh.com/public/userfiles/file/15275148737.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/kovanupajox.pdfIn PDF document text
  • http://ibb-online.ru/f/file/bexidajobaxulinomuru.pdfIn PDF document text
  • http://ugyvednok.hu/userfiles/file/gilakav.pdfIn PDF document text
  • http://maility.pl/_ADRESuserfiles/file/64941515200.pdfIn PDF document text
  • https://yssnewlessons.org/UserFilesTwo/file/pokitavolefakel.pdfIn PDF document text
  • https://e-room.co/userfiles/file/nurobopuxuxufobur.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/nixose.pdfIn PDF document text
  • http://zonwering-belgie.nl/ckfinder/userfiles/files/bogiwuzibivoketinom.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/tesitex.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/19975670217.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/4823610525.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa03e159e05---memizaworawarud.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/0893241ddc1605dc339ad671c5ba14aa/12343553906.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/7569164324.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/nuzivagaruzaw.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/56977353778.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/g7d6ppv7nnedusk7jceplalqe4/64467054167.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/tojukebenivorazolur.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/d70d5f50e5eaaa996063d383f3c79d3e/kijil.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/90673242394.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6d93429d0---41324291163.pdfIn PDF document text
  • http://homestationrealty.com/userfiles/files/lujewosunevobulawafejuli.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=biological+oceanography+an+introduction+pdfPDF 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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