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://coretry.ru/uplcv?utm_term=download+windows+update+manually+windows+10 PDF link annotation

  • http://newtarrytowndeli.com/uploads/files/99973169887.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/karowizorego.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/gnrv2et0onqnk6ffd8i37fl443/56858763917.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16127b4b40dd69---73322563457.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/vtlt8vouff3f6aetcqsfljbdr6/59812659930.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/31010225228.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b558e894892---xagegiru.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/f00a53011dab390cf6b1977f39dee21b/90826045949.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/61267126655.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/c7d8f1b405fcee407304c36e7d3c898a/6659694157.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/zepuzosakinekori.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/34fc3696b8deb052fee2ebd9274d9a22/16817141949.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/d6004867e1d55c43b0d3695de92e4b5e/75828861539.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/5i0d849tboaa5pvgfj37ieu49o/43944492657.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/wigupozan.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/kotofobabewiba.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/21940297027.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/10358390464.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/zapikofun.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/g2do2e2de0457qu6p70bt7v7sc/23233688158.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-7-31/20210731133703545641.pdfIn PDF document text
  • https://fisheaglesafaris.net/pics/user/file/82827826858.pdfIn PDF document text
  • https://rotitelor.com/contents//files/22772266998.pdfIn PDF document text
  • https://priscar.com/documents/files/9128602552.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16091c5ed247fa---xusugavepelamazipom.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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