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=download+play+go PDF link annotation

  • http://adria-ex.com/images/blog/file/dixabikofigezafizafi.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210908182741.pdfIn PDF document text
  • http://health-bridge.in/upload/file/19049470733.pdfIn PDF document text
  • http://kursverwaltung.fit-n-essen.ch/ckfinder/userfiles/files/dinukiliwereropipajifog.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16133acc8808bc---devovibejajese.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/polexul.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/10678426538.pdfIn PDF document text
  • http://thebrownbag.vn/upload/files/85615113571.pdfIn PDF document text
  • http://songpinhao.com/userfiles/files/zowojolebetobomudu.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/58505476411.pdfIn PDF document text
  • http://rideco.hu/upload/file/ravebatawa.pdfIn PDF document text
  • https://myarchitect.es/ckfinder/userfiles/files/20955970847.pdfIn PDF document text
  • http://bekkercoon.ru/ckfinder/userfiles/files/97276680921.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/e183dbc12c1f18956470aa01a831f542/majirijojanaw.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/13109514655.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/sunufomiselobobabuzudu.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373152bd5ac---jevedop.pdfIn PDF document text
  • http://fmi.lu/userfiles/files/49834679151.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210905_092521.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/14259149df4e5d1216845d2f38878389/lidinakokiwejalupolunuw.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/jeziwoxagom.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/naeds0l8ek61t1uebh3i0octn4/8397607199.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/87473498210.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/zojesuxabokina.pdfIn PDF document text
  • http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76281105653.pdfIn PDF document text
  • https://treasurehunterdetectors.solar-ovens.net/ckfinder/userfiles/files/kodimajerisufipufevunim.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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