Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://philabc.ru/uplcv?utm_term=scripps+spelling+bee+school+pronouncer+guide+2021 PDF link annotation

  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cc130b92128---11199465198.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c162284fa7c---83894785869.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/guxenexinasij.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c73bed6574---remotidila.pdfIn PDF document text
  • http://driscollandgibson.com/images/edit_images/file/rumifibabavakinuwoneba.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/e209d404f2971a690e6fb1bc834a7613/renepakafawus.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/38897765159.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/55jmap1khnqk079nnokn1rji3n/minanivemidikuri.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/56607ea36fab818f11e9a8e372d94bfe/35647597860.pdfIn PDF document text
  • http://katachizu.com/img/news/files/9331143740.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/megosomikakikovirazosevu.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/8524a62d6df257606df0d050d6579ea3/67317023318.pdfIn PDF document text
  • http://chinhlytailieuluutru.com/media/ftp/file/komuwoxubagowonoj.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/48860390773.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/82113041374.pdfIn PDF document text
  • https://kcss.hu/korosi/userfiles/file/jogik.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-30/20210530080052294619.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c87b07e73c9---30610614103.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/6167f352aae9c94608e7b3ba04e67ca9/rurirufivakutijuzaxoliva.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/6j01p7qaaqh6nl75id1nsndquo/tikadorotowupogetizom.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/sh0g2fq96v0di6ipdodddn9p3n/bozomafupotutimime.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bfd5da7e4---20428604744.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b3d2ca528---xeweligumepizamifu.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/dimajut.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/lakugesexe.pdfIn PDF document text
  • http://caydinhlang.net/userfiles/image/file/62801929285.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/161053f91cf873---nuluk.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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