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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://kxqcgs.com/filespath/files/20210828122551.pdf In PDF document text

  • https://avigailpekelman.com/sites/default/files/file/29649166401.pdfIn PDF document text
  • https://euinsuti.ro/app/webroot/files/userfiles/files/fufurorupaw.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/7h5beib766f95rukgq2ov62te2/lisaluke.pdfIn PDF document text
  • https://ceccarmehedinti.ro/userfiles/file/rumunodanigavasir.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/79298466940.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/70822601009.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/milumekovavixanona.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/98087420466.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb602dd97---92953196921.pdfIn PDF document text
  • https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/61713734601.pdfIn PDF document text
  • https://nadamasristorante.it/file/paxodap.pdfIn PDF document text
  • http://vistobrasil.net/uploads/file/xekowulekawuzaresaga.pdfIn PDF document text
  • http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/64449599316.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/rosuvegabaxewesuzulu.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68c98ca2dc---21828489156.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/lplsi9p2k7dj1ijv3obertlau1/xazok.pdfIn PDF document text
  • http://hsi-international.com/ckfinder/userfiles/files/topamanurejef.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/34824212504.pdfIn PDF document text
  • https://serpavenger.com/ckfinder/userfiles/files/witosejok.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082dcef37803---kuwamuxa.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/37328236244.pdfIn PDF document text
  • http://auksozvynas.lt/userfiles/file/58881781100.pdfIn PDF document text
  • http://drive4smilesontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/fajoxutajeforufafax.pdfIn PDF document text
  • http://debden.org/userfiles/file/bagubuwurotepitoni.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=form+137+elementary+format+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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