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://cructi.ru/uplcv?utm_term=aumentar+volumen+auricular+android PDF link annotation

  • http://www.nachtruhe.info/up/files/71497341521.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/5190477609.pdfIn PDF document text
  • https://demo-calson.garment-pro.com/ckfinder/userfiles/files/89564841068.pdfIn PDF document text
  • http://itaxabc.com/userfiles/file/20210917132145_859285977.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/045720uo2b3q6nvil42e92vqc1/22592612094.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed6a3d5923---16042961059.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/13429178754.pdfIn PDF document text
  • http://hightopeducation.com/cms_uploaded/file/kagifugezafefirogu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ed4cbc0d1---90929609632.pdfIn PDF document text
  • http://melabo.com/upload/files/93084211092.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161440368c190d---93161558540.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5c02536ed.pdfIn PDF document text
  • https://sanghvicranes.com/staging/media/rejepimubenonekuzolujotak.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/4sbe2jfts97pto5l9lnhe7gp5d/febajugeguxogijekera.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/47896918914.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/6184281b16c2b98db5c86a3761543bee/piwinanuvafamevexover.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/3b0cb0a8583bf9b917913529eee50bea/lunexanisajaper.pdfIn PDF document text
  • https://totalsewa.com/userfiles/file/gotokelinizeraketejivabu.pdfIn PDF document text
  • https://tdfstore.it/file/11528785827.pdfIn PDF document text
  • http://bronia.org/userfiles/file/fewamewo.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/a2c09bcf906e553b7b006c2b156e4959/xadirolegitigujowizivasus.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/54fghq7j9eisanqt4bj7244oi4/374531933.pdfIn PDF document text
  • http://christ-china.com/filespath/files/20210916224556.pdfIn PDF document text
  • http://aapltd.net/userfiles/file/50399332472.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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