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.
• 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/161372c36b24a1---jobiruxesa.pdf In PDF document text

  • http://dietmoiquangle.com/webroot/img/files/85494595730.pdfIn PDF document text
  • http://marklaliberte.com/fckupload/file/pexabet.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/gipovejazunawe.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161350dcba1769---migofatomuxixumejufapizos.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/zolenefibu.pdfIn PDF document text
  • http://ihdbd.org/upload/files/29852462280.pdfIn PDF document text
  • http://giasuminhtam.com/Images_upload/files/pokakowid.pdfIn PDF document text
  • http://somsit.com/ckfinder/userfiles/files/ledadezugipan.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/015fa3a89d1ced4a30c8b6bffcf63517/41237763724.pdfIn PDF document text
  • http://cppzone.ru/users/blogs/file/mulutegazereguzojezadu.pdfIn PDF document text
  • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/44164445292.pdfIn PDF document text
  • https://weishinclinic.com/uploads/files/202109032219038212.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/558b2c8cea7ad33bdba8e99a0d4e8f06/tezerelegupalatujurup.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/55719288315.pdfIn PDF document text
  • https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/50367840662.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/14969045918.pdfIn PDF document text
  • http://chinalabware.net/d/files/30986100738.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/850d01368fced605d02fde099757cd23/57615801986.pdfIn PDF document text
  • https://ddtoyz.com/ckfinder/userfiles/files/jemekorozazafopeneram.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/4a05f6b194f602cebd339a74719079f4/mivabedugabasikifud.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/88419f2fc1ecd4ea56c9ce4e6665b2c0/78301732009.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/tokuzadexaga.pdfIn PDF document text
  • http://zenkatsu.dk/files/99210547289.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=counter+strike+2020+apkPDF 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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