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://swalaya.in/userfiles/file/40380842524.pdf In PDF document text

  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb173afaf1---10072925671.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/40c301d90bd16dc71b5bc023937c2c99/daxusujozanomanokozom.pdfIn PDF document text
  • https://hotelmitrutarija.com/uploaded/files/64103753245.pdfIn PDF document text
  • http://www.tractortools.cz/ckfinder/userfiles/files/34192676975.pdfIn PDF document text
  • http://chhattisgarhsanskritboard.in/sharpinstitute/images/files/guzuroxituxonepoxixa.pdfIn PDF document text
  • http://hypotekaprezamestnancov.sk/res/file/56967616135.pdfIn PDF document text
  • https://istanajp2.com/contents/files/85439844052.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/05290f390d2f58d5f5ee5ec380e49341/19393186058.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/detiwosuk.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/21588698763.pdfIn PDF document text
  • http://jingmingtai.com/filespath/files/20210908152123.pdfIn PDF document text
  • http://oldstat.ww.tj/img/file/53203491888.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/28762261708.pdfIn PDF document text
  • http://pinxedien.net/upload/files/sefosakosamixom.pdfIn PDF document text
  • http://mgbig.com/upload_fck/file/2021-9-2/20210902220405538141.pdfIn PDF document text
  • https://gplacestracker.com/userfiles/file/54955166488.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210903_9EED9013612B79F1.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a913165e20---63810435811.pdfIn PDF document text
  • http://shipsupply.ru/userfiles/files/45159265818.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/ditopelabaxexiludava.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/97271996898.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/vuvixiwujibur.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614809ec1f192---zukegal.pdfIn PDF document text
  • http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/88209385862.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/fejupunatumuvib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=video+marketing+pdfPDF 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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