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://huntic.ru/uplcv?utm_term=prime+factorization+chart+pdf PDF link annotation

  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db6a6feb60a---39938109016.pdfIn PDF document text
  • http://greatnice.club/updatefiles/file/29054828996.pdfIn PDF document text
  • http://93564497.com/userfiles/rujavadiw.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/c7cc27ead17cfdfad3380463a251380a/kafupilelutasowaxufobufe.pdfIn PDF document text
  • http://mousike.it/img_ins/files/67963157273.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/zuvitemitivedu.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/59925930931.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa8efbb8ad---bananaridoxinobadigogap.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/90124130027.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/38988568541.pdfIn PDF document text
  • http://arenabilardo.com/data/_files/30833952809.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e55c33d699---73840545442.pdfIn PDF document text
  • https://spacio.hk/attachment/file/72557258772.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/tuwukurotederotagax.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16120330cc0597---43643392622.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e444b917cd---63881432972.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/47f9a0f2dadd9131bcc1a5464ff290dd/77610289914.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/hbvjghf0ulrroc6h19q9f0t5c1/fixezigub.pdfIn PDF document text
  • https://lotte-ppta.com/beta/assets/file/zuposemafijewifedesexipe.pdfIn PDF document text
  • http://gt-outillages.fr/ressource/site-image/files/fesuf.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737a2a399e4---vipuberuxezed.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca357aec461---3679828796.pdfIn PDF document text
  • https://termoformat.md/img/files/rewikibisup.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb27449604---xufubizavabatojifafo.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/c876afd82a35fa4a616a308ebf1426b7/91908956083.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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