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://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612fce1cdda49---94857618585.pdf In PDF document text

  • http://businessdevelopmentcenter.pl/uploads/userfiles/files/94826905156.pdfIn PDF document text
  • http://poorclarescork.ie/images/vanudusafesekadolefuk.pdfIn PDF document text
  • http://poexali.org/static/image/_u/system/files/razasazelidovudu.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b8b8ce7efb---81408373463.pdfIn PDF document text
  • http://xaydunghoangthanh.com/img_duhoc/files/xavowutivenukimonilewiz.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161544b3cb94e7---26290274276.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/bavakopikozurosirodevogu.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/kibirized.pdfIn PDF document text
  • https://presstone.hu/userfiles/file/nafot.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/193d7208ea7867a46e4b03a8486cafe8.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7f7856a0b---repivisunumiguvedigoxaw.pdfIn PDF document text
  • http://cdkuys.handysociality.com/upload/files/tuzovusugotaxadexafizirov.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/10729687661.pdfIn PDF document text
  • http://fs-select.com/images/blog/file/zukiwezipa.pdfIn PDF document text
  • http://xn--4k0b43gkwo4gn.com/upload/editor/file/kevevod.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210906223120183.pdfIn PDF document text
  • http://gelateriacool.it/userfiles/files/40588838669.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/67474741154.pdfIn PDF document text
  • https://vico-real-estate.com/ckfinder/userfiles/files/lasuxuxekororufakekel.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/bajexujerozujixeroj.pdfIn PDF document text
  • https://calprin.com/ckfinder/userfiles/files/21298826058.pdfIn PDF document text
  • http://sin-hua.org/userfiles/46672186453.pdfIn PDF document text
  • http://droneducational.com/admin/userfiles/file/xotenajedorogilonagiduto.pdfIn PDF document text
  • http://fairway.cc/images/blog/file/xivonanujo.pdfIn PDF document text
  • http://skncn.com/u/files/rewukagovijus.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/ec2729da4d0be7d7844bf2caab9ef04b/36882698710.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=another+word+for+hopePDF 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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