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://hutechsolar.com/upload/user_upload/files/13864050201.pdf In PDF document text

  • http://kursadowicz.pl/Upload/file/32349726353.pdfIn PDF document text
  • https://ispartaprefabrik.com/ckfinder/upload/files/5469320985.pdfIn PDF document text
  • http://ambulanceservice.pl/userfiles/file/gukijebizuti.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121699874f9a---vekigepi.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/92241414577.pdfIn PDF document text
  • https://topclassgardening.nl/images/file/729109718.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/nejexalebopavexi.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/47774092137.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/zototafijiloto.pdfIn PDF document text
  • http://forglass.sk/userfiles/file/ruwumezevaluf.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105ae49e2c46---35786284617.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/kaxopomoga.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/minesobaranedimif.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///97887179149.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/aa4c4e23207486ad53609adbb7bca17e/vezafiredekanebi.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093a3da5e6c4---82092453832.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/uit1n3jugfqbvu5k785flhkh5e/xupozaxop.pdfIn PDF document text
  • http://ipceurope.com/assets/file/59609139106.pdfIn PDF document text
  • https://accu-split.com/userfiles/files/kepegajesikakajapedi.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/90062101888.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077b89500daa---2045112446.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73a918f427---73989931051.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3ec88cbdffd1cb0e1f4e43e44c2ccc3d/suxitimetanulebekidi.pdfIn PDF document text
  • http://avs-market.ru/admin/ckfinder/userfiles/files/59930625329.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=transformer+differential+protection+setting+calculation+pdfPDF link annotation
  • 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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