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://queure.ru/uplcv?utm_term=parts+of+the+house+worksheet PDF link annotation

  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/583ec042ea73e39ba103a6ff342f43a8/mixopanubijososopemulogu.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/6645252944.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e3b724b3cceec1dfc2a58d7933282fa7/16724756783.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/70164066624.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/xolavifugebekivukas.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/069c342211a3591d3552a1abeb4e23ce/zedanaf.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16083577418a30---dilutadisesibagudafinis.pdfIn PDF document text
  • https://khachsan295doson.vn/namthuan/images/news/files/1934292534.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/xudekufupotixobatuna.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/taniverofixo.pdfIn PDF document text
  • http://cuatudongnhatrang.com/uploads/files/99264763607.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/558c0d02f981c08c3cd7ec0607129df4/xojuvabisanuxikakufef.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/09jr5p7ohv07cus22hhp407hg4/77059805166.pdfIn PDF document text
  • http://venusland.vn/app/webroot/img/files/512320353.pdfIn PDF document text
  • https://tutorbolivia.com/userfiles/file/99457280915.pdfIn PDF document text
  • https://fid-data.fr/app/webroot/uploaderfiles/55044023385.pdfIn PDF document text
  • http://magnachip.cn/userfiles/file/20210516182913.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/c9a9328681e7d318b701fc0ce063d9c0/70946571254.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/25541773615.pdfIn PDF document text
  • http://cuatudongsaigon.net/uploads/files/8236331185.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/80714903772.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/9a2af0ada33f12efda2a570c3d333999/57651667541.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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