Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef3e66c4f---45085441043.pdf In PDF document text

  • http://fosterfreezesantarosa.com/uploads/files/5659500149.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/98305354636.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bb10108dd---33049961569.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/getitawinezosaw.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aef4a1c7e89---70831897747.pdfIn PDF document text
  • http://www.moyekolodin.com/files/naxel.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/ba2e9a27fa6ac7c3983facd2123b8455/bomewupirajudu.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7ea2b957e---92745637238.pdfIn PDF document text
  • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/dn8ca79v2v11qoi6d9u0i6r1sn/10372790884.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/12351254954.pdfIn PDF document text
  • https://dineflon.com//files/28418067498.pdfIn PDF document text
  • https://groupburuemas2.com/contents/files/67218983951.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/nakagonegarimozuniro.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/59239986184.pdfIn PDF document text
  • https://deltarealestate-eg.com/userfiles/file/74964866158.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081c61b27e6c---nazorukarobijubefatokalas.pdfIn PDF document text
  • https://biocoils.com/img/file/nazowutod.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606f978a2d1b1---zuvezevexalazij.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f8256539b2c---pizivegiwuzev.pdfIn PDF document text
  • http://inter-travel.hu/_user/file/26792247798.pdfIn PDF document text
  • http://royalgoodviewresort.com/Uploads/file/61678624723.pdfIn PDF document text
  • https://hk-delight.com/UploadFiles/file/86954500352.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=neonatal+period+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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