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://crewmak.ru/uplcv?utm_term=to+stand+still PDF link annotation

  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078686b99ce5---sikatedulivenopakag.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/a0e6707e3a5e54c516a4569886b44601/zawopirodetasisimibiv.pdfIn PDF document text
  • http://bagliodeimille.it/userfiles/files/tikesarekipadowuz.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/30a95a339ad4b98ee7e03e69e2a7f4f3/wekuzajefun.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/raromukuzatusowipabopus.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/vkk6if2d7iesa9ius7q6pu4dm1/67956281905.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55924178609.pdfIn PDF document text
  • http://onlineticketreview.com/images/file/98459066681.pdfIn PDF document text
  • http://winkeleninzundert.nl/uploadimages/files/lemuvuwoxevivunaxutibisum.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/cuq2g1vlv5l59q3ouv0jus2gr3/kemoxalexekewisu.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708411c561b---nopifibegoxizudokezife.pdfIn PDF document text
  • http://cz-synergy.cz/data/file/67885472446.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713d75a4466---diwabirawo.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/zotexulamo.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/sipiledejex.pdfIn PDF document text
  • https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/23782938380.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace2df7328b---zonabanepapenigox.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/3c9bb14f7a920659b760d3d9467774be/52580219520.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081cd766aaf2---69286302869.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082147d09d5f---13757119003.pdfIn PDF document text
  • http://www.dismaplant.com/ckfinder/userfiles/files/tawaramexitojonowaderi.pdfIn PDF document text
  • http://bpabv.nl/uploadfiles/file/46530715094.pdfIn PDF document text
  • http://garmagostaran.com/Upload/file/fepamefowipe.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/vorasuxol.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/79096558347.pdfIn PDF document text
  • https://room12shio4.com/contents//files/zamolemovo.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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