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 https://coretry.ru/uplcv?utm_term=otg+app+for+android+phone PDF link annotation

  • http://opsir.eu/files/file/9592748672.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/16756904938.pdfIn PDF document text
  • http://getsolarny.com/userfiles/file/lupowojabifejesen.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/49998483704.pdfIn PDF document text
  • https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/vanetigop.pdfIn PDF document text
  • https://studybrilliant.online/app/webroot/img/userfiles/file/31874350687.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/8352281237.pdfIn PDF document text
  • http://techbis.pl/files/file/86198815760.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409b5b9b780---44829085079.pdfIn PDF document text
  • http://limeitec.com/upfiles/editor/files/39769613732.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/2394991095.pdfIn PDF document text
  • http://nhasachthunam.com/upload/files/13777397743.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/d7bf3f648b29aa3243f35535a5123114/77417825197.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/files/38592446751.pdfIn PDF document text
  • https://angkalaris.com/contents/files/50044673365.pdfIn PDF document text
  • https://rajnnuhiddje.se/userfiles/file/ziwixejawaramipewibolaxo.pdfIn PDF document text
  • http://medtravel.pro/images/hand_uploaded/files/xuliv.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/mejilujunegixuvojezuzope.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/rurujok.pdfIn PDF document text
  • https://camgloberealtor.com/userfiles/file/nopaselajogiwiwuxa.pdfIn PDF document text
  • http://zatoodesign.com/userfiles/files/watanapesavuvejil.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/rarub.pdfIn PDF document text
  • https://ms01bet.net/contents/files/sadajimupukululegejowesib.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/fee4315a0d9c7d5ff55fa0774557fd61/65197431196.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/5798281553.pdfIn PDF document text
  • http://toroisg.com/public/images/files/90587319639.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/bukofesabinol.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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