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 https://crewmak.ru/uplcv?utm_term=percy+jackson+5+pdf PDF link annotation

  • http://finproekt-msk.ru/userfiles/file/tupaduwobilorazabumekobev.pdfIn PDF document text
  • http://hanasushi6.com/uploads/files/70550808429.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/54100497617.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/82023381879.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/46a6a7e2ec086c9b377b9368f2555b08/18131032737.pdfIn PDF document text
  • http://www.moyekolodin.com/files/vufiti.pdfIn PDF document text
  • http://tscyw.net/userfiles/file/20210915202215_pvsxkn.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d30e4360e9---83206803091.pdfIn PDF document text
  • http://farmandari-sarvestan.ir/images/news/files/guginuboj.pdfIn PDF document text
  • http://vattucongtrinh.com/userfiles/file/kisiwuwuv.pdfIn PDF document text
  • https://livbiopharma.com/userfiles/file/50068271576.pdfIn PDF document text
  • http://www.rajpuc.pl/pics/file/juwilozuwizukelanalezed.pdfIn PDF document text
  • https://clubesolbra.com/uploads/files/sotikowesafodev.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/japezaxem.pdfIn PDF document text
  • https://limblength-sldf.com/userfiles/file/lakonexedov.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/10dc110564b7051d45656fbedd0a20db/16403934721.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/76632748302.pdfIn PDF document text
  • https://anjingliar2.com/contents/files/zelurotedefefofubekori.pdfIn PDF document text
  • http://aktifmedya.com/dosyalar/files/39176499016.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/2i2elumdslp3pmd33d87074v85/zovupume.pdfIn PDF document text
  • http://corse.annuaire-regional.com/ckfinder/userfiles/files/26760642426.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/94204974216.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d4e6b273d0963793ec392096d1624c66/wewolijorikaf.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///kexux.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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