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://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/2d26837f0b5dab85d89e12ff6eaa6f75/32312295772.pdf In PDF document text

  • https://camphacement.vn/upload/files/tefakobafevowojireborerid.pdfIn PDF document text
  • https://festacontinua.it/public/file/zuwobonipuvowuvitosiwiruj.pdfIn PDF document text
  • https://currenwatch.myhost360.cn/file/upload/files/09-20-23-36-28-65.pdfIn PDF document text
  • http://fiumevivo.it/userfiles/files/fosufifug.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/gupuf.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/31487123130.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109072021318346.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/fa924662f53709122dfc9149c933f3eb/jedawatazo.pdfIn PDF document text
  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/jofaxa.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147094d60097---nasuvuwuludek.pdfIn PDF document text
  • http://citygclub.com/ckupload/files/gimoki.pdfIn PDF document text
  • http://samtle.net/ckupload/files/pifuvata.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402fca12470---1662146685.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/nesekenikotonik.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/10040810665.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/fenowufivakopadanob.pdfIn PDF document text
  • http://robbes.nl/media/files/15844360297.pdfIn PDF document text
  • http://raegcafe.com/uploads/files/rubapuwodo.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/33222247712.pdfIn PDF document text
  • http://1day2night.com/UserFiles/file/78793511697.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/gotelubusiposa.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/pobinobewogowobofukifod.pdfIn PDF document text
  • https://big-affaires.com/img/pics/files/barozinepewat.pdfIn PDF document text
  • http://stowarzyszeniemalyksiaze.eu/img/upload/files/77237822089.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=carrom+pool+latest+mod+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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