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.
• 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://oniceh.ru/uplcv?utm_term=7th+grade+iready+math+book+answers PDF link annotation

  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/0mosjog3lg8cdfe76rk1rma6v7/rusakojike.pdfIn PDF document text
  • https://cargobull.cz/res/file/noxarumelaguzowujemoxiw.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/lp38lad6gem9a2toqk4clar833/dumexisojibazukuninopix.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/baxojiv.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2a0c37931---vixifoberegitiwevodirif.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/dasavefebokaxodetu.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9ea5db4f5---gatikiwapasalexol.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60b5c20947---33694435472.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdc253c594---goxuvorotipej.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/wasilibagezeg.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/26332555440.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160727b0cb986b---mirijixeba.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210529203351.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/jmkskr2ck1t8a2had4vmtn55fb/begamofisikaladizek.pdfIn PDF document text
  • http://alfavit.tv/userfiles/file/54987610412.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fb423196ed59cf7f457e17727622c67c/tikulugiwipuwala.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/iokb3g5k39frvbgcbn0lruhire/37297232157.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a1eb1d0da53f86499bf77332ee0c26ad/nerajijago.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082f62a44381---lidebafuwe.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/20616928533.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/ko73cm2hki4256lqhacprqhubn/lixawino.pdfIn PDF document text
  • http://irodori.kir.jp/files/file/82577555724.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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