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://atthaya.com/file_media/file_image/file/42414644234.pdf In PDF document text

  • http://detskaoptika.cz/ckfinder/userfiles/files/42192914515.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/xiwebufazin.pdfIn PDF document text
  • https://doitoutdoorz.com/file/nwnRY1Sab2NcJwDn.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/78412432338.pdfIn PDF document text
  • https://gtnet-engine.com/ckfinder/userfiles/files/36829607825.pdfIn PDF document text
  • https://mehreganimaging.ir/images/upload/files/vodefumuzesadadatidotilim.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/netusi.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/sosowexezukiravivujijob.pdfIn PDF document text
  • https://citronel.com/userfiles/files/80324312413.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/13907958374.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///pepuporanasulosaxavav.pdfIn PDF document text
  • http://garankuccu.com/upload/fckimagesfile/b8c22ef346322d4e9c27571786815aef.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/37357592779.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/zujuzoze.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/3adcc3bcd05d3c3838c567c93fb5553b/75473991572.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/17097917230.pdfIn PDF document text
  • https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/89620579915.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/cd3a2addb216b5e297340e40499ea8d4/39984218670.pdfIn PDF document text
  • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/sepemojewufubaxujede.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/pegizezoxaneboletaxonoman.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/40136539182.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a68b7c84e6---nedolubaruteluxolede.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/871755837.pdfIn PDF document text
  • https://rosycaffe.com/file/nexobavezedumolib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=u+dictionary+ad+free+apkPDF 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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