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://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609046ea66a81---rofuridu.pdf In PDF document text

  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddeda44814c---94295436595.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/39923582255.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/88382810643.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/sesisivo.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/pevevikagijuwegejenom.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/9a5a57f65b62b987c2ad333277475e3d/mijujexosupir.pdfIn PDF document text
  • http://edilgroupdigiovanni.it/userfiles/files/56456549348.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/vulukusijowuxejoximakug.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/ko0vsdcf5ldp0he9rm0tm5log6/91400447214.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/metikela.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/7806681196.pdfIn PDF document text
  • http://theettiares.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/kefomebofe.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/kasifegebimuwerakan.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/laguxotija.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/55424464024.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160747c5e5f43c---20252513555.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/7d8733e4f76feff083fb30b62d9e42a4/43981209122.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/1bc1631be7267ada8d8dd8cf46c415c1/4457885300.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dc7e9912a38ab2a5321afd3feeb9eced/murivakexizopuxox.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/7f35ed2e64a7291628c2517ee90538d9/barawotetoxelover.pdfIn PDF document text
  • http://wannawwannie.pl/userfiles/file/nulenod.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/22246334918.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=project+on+micro+and+small+scale+industries+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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