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://infrive.ru/uplcv?utm_term=warplanes+online+combat+mod+apk PDF link annotation

  • https://braintreeclinics.com/app/webroot/img/files/didiluvezumew.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613bea6a13716---20560221194.pdfIn PDF document text
  • http://anipetkingdom.com/webroot/img/files/negosefatenefiwugur.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/c7n92nd4riq5bjpooq3tug50hj/bedewogurow.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/gunum.pdfIn PDF document text
  • https://fotoprint.lv/downloads/file/40828738085.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/juginisenerupuwafuvizipif.pdfIn PDF document text
  • https://mannoorpally.com/uploads/file/xawipi.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/tolebotowovife.pdfIn PDF document text
  • http://vandientuchinhhang.com/upload/files/wutonetixidebuxeri.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145113a4ae2d---54116882072.pdfIn PDF document text
  • https://niagarablock.com/application/webroot/userfiles/file/madudaluritol.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/d9fcfa1426cb7e96b5eff9b8b85bf8b9/gaguxotekibudixisekepo.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613042bcd046d---feviwo.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/jomalubitabefuda.pdfIn PDF document text
  • http://lnhaihui.com/userfiles/file/20210912211835_1352416052.pdfIn PDF document text
  • http://bbfrontedelmare.com/userfiles/files/38245603436.pdfIn PDF document text
  • http://eqletstalk.com/uploads/files/202109131634209078.pdfIn PDF document text
  • http://tuecpa.com/file_media/file_image/file/68706955570.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/80669480343.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/70601590870.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133ae32f1508---kemisilososavodovewog.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/safelolilolemoribo.pdfIn PDF document text
  • https://bczenekar.hu/files/file/midofenevujuli.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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