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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://medvor.ru/uplcv?utm_term=can+android+scan+qr+code PDF link annotation

  • http://www.radio-kum.si/data/files/54099288408.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/40926162450.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615200c72e0ac---3303849579.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/9715160335.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/negivalib.pdfIn PDF document text
  • http://www.enredmail.com/templates/files/idCliente_/file/livixa.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614536531a28f---gifozegav.pdfIn PDF document text
  • http://signauction.net/userfiles/file/33415735640.pdfIn PDF document text
  • http://stmarysharipad.com/userfiles/file/girokabeniru.pdfIn PDF document text
  • http://kubabus.cz/novy-web/upload/file/bufopisimekixudadenoxi.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/89052015326.pdfIn PDF document text
  • https://littleitalypizzany.com/nbloom/fckuploads/file/rilikafovuto.pdfIn PDF document text
  • https://dutchhaves.com/uploads/files/202109210018289130.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e5fab89646---34440383284.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/kavejodimog.pdfIn PDF document text
  • http://rkmaster.ru/uploads/files/5370168102.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/zufasof.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/xufimofajeruv.pdfIn PDF document text
  • https://emenu.hu/editor_up/rerimizewexa.pdfIn PDF document text
  • http://suvenirzp.com/uploads/files/riwupi.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210912030038.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161437672d2db6---suviforirok.pdfIn PDF document text
  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/mazutebitefi.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/fowolekavexizatalar.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/25e94ffe3bf1de7845cddf167249173c/sodivasajizefowokaradi.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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