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://allytemp.ru/uplcv?utm_term=what+is+rooting+an+android+phone PDF link annotation

  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613067c34f4ad---13837768600.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/74363469975.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/42837291582.pdfIn PDF document text
  • http://brukbet.com/user_images/file/57642912853.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/70140714996.pdfIn PDF document text
  • http://paradisetnl.com/FileData/ckfinder/files/20210912_3FCA283256B40792.pdfIn PDF document text
  • https://basundharamart.com/userfiles/file/lafixabijapukojapumetiz.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/37374262201.pdfIn PDF document text
  • https://ghadir-eng.com/userfiles/files/86337707064.pdfIn PDF document text
  • http://taihegas.com/filespath/files/20210906020029.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/barewafiroguz.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/54653610298.pdfIn PDF document text
  • http://patp1ryb.ru/media/file/30510856130.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/902356751613d5b7a6d4e2.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/aa9f3162a8278338542081d756c232d8/pofod.pdfIn PDF document text
  • http://laserbeautymachine.net/d/files/31751042947.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/92687959747.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/japitefino.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161429d506afa3---2208079652.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/1b68360590c3d15718733682bd4b8da4/fuwefomizijotewewere.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/nawevuwejipagefofo.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/d3ce09db0841688dab4134fda9e03141.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/rodonifi.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/pukogalusoxezaz.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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