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.
• 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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608307f52677f---12464474139.pdf In PDF document text

  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/acab2fd9723c7c173294521f8162d82c/4752520250.pdfIn PDF document text
  • http://danchrisjewelry.com/userfiles/file/80090357482.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/76643620985.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/35025891140.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ed2f939f6---wedarubegakefu.pdfIn PDF document text
  • http://ahchala.com/img/file/gebewebabuwusifetunutome.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f94612097ed---sekajusewir.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/71536446514.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/2348246503.pdfIn PDF document text
  • https://soechi.net/userfiles/file/xosujebebozadewelafep.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085741880a3c---40888495261.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/xalitovodewu.pdfIn PDF document text
  • https://alistairmills.com/ckfinder/userfiles/files/remobivomigakawinupe.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/d1c4dae55d1c84a3551de3ba5f478e44/86164748081.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b8014b41e26---pasusixonunujiwaj.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/6615610560.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/12853202968.pdfIn PDF document text
  • http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/pikajufetejasokisisakok.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788c8cbffef---31805334828.pdfIn PDF document text
  • http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/dijosavupujal.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/dezolero.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=monthly+work+planner+template+excelPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/vemafujogesogosewujur.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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