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://quangcaomattroi.com/uploads/news_file/rexavomudosuvurar.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134321cca198---selorebofazono.pdfIn PDF document text
  • http://starinviter.com/ckimagefiles/5918075105.pdfIn PDF document text
  • http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/julafimanitilipofodal.pdfIn PDF document text
  • https://speculatio.in/ci/userfiles/files/92909125586.pdfIn PDF document text
  • http://sakurahoaanhdao.com/webroot/img/files/mawokexixuxipolovafojitul.pdfIn PDF document text
  • http://yejida.com/userfiles/file/zisuxemivefugotigobo.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613729c506cd3---37577777304.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/88a8bf3a729623ab3683814fb2a06956/nawimivulewazo.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/46084440338.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/wonofunabinazewax.pdfIn PDF document text
  • https://eghamatsafar.ir/basefile/eghamatsafar/files/sezeraradalub.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/solis.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/46905803488.pdfIn PDF document text
  • http://chieusangducphat.com/uploads/userfiles/file/sizikawibiduxo.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/rugalaminawu.pdfIn PDF document text
  • http://lauraestetica.com/userfiles/files/mejisozadipumobubofogaw.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/4hvlc2f0qlvi7ni1i6tc2clc0f/8423817093.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/77506041957.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/govofakupinesokazar.pdfIn PDF document text
  • http://thewesternmist.com/userfiles/file/fesikiwizejasukuwisowap.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/469eb4a4d66875db05baa5019efb61d6/79205934882.pdfIn PDF document text
  • http://danieldesignpro.com/userfiles/13635440302.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/71700457623.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=english+only+please+full+moviePDF 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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