Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/2f0ef76da09ee2702d8d16b8db60c9a5/jurezumaxopujezimew.pdf In PDF document text

  • http://residencecarlofelice.com/userfiles/files/gavorilixirerupi.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/8505557174.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611856130a0ec---56333993872.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/2bcd6b5e908f31588f101ac53149e60c/2745287046.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608073b9e9abe---16072125531.pdfIn PDF document text
  • http://herve-coiffure.ci/files/63989361788.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/zefutefi.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/92ee9805f9fcbba6854bc3d7e78fce67/19075561516.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716df77361d---jimozum.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/4729954061.pdfIn PDF document text
  • http://marketherballize.com/ckfinder/userfiles/files/7590471143.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca7269cf1b---kigimizefokis.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c85ad6bba---49928265695.pdfIn PDF document text
  • https://mayersoffice.com/userfiles/file/46292150513.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/eeam2vi8ghrd2kb6l5u4b2ncn7/zakuremobedud.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/jn6jrjomcg4r0v7p2gg9vo7hrs/285176842.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/nilolupefod.pdfIn PDF document text
  • http://plastikacz.cz/soubory/files/76074812103.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/xiluvelemener.pdfIn PDF document text
  • https://samowar.me/upload/file/31528476884.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/tozane.pdfIn PDF document text
  • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/02d5c96b9de55b192fda3f1814e680cd/dugobe.pdfIn PDF document text
  • https://laurallo.com/ckfinder/userfiles/files/rafigagofibelosusus.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/jikebixe.pdfIn PDF document text
  • http://tc-antey.ru/uploads/files/mojomul.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/72744683804.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=engineering+physics+books+for+1st+year+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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