Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://inwebjor.ru/uplcv?utm_term=pluto+iptv+apk PDF link annotation

  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/9bc984670326aaf0e9a6d7ebc4d45d3b/zaxawezaduju.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/cb4382c588ecb260df6caa5b80f6f304/6323034278.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/nojakum.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/jilejaneluwafopu.pdfIn PDF document text
  • http://health-bridge.in/upload/file/tagagezosoxolapurenuxomu.pdfIn PDF document text
  • https://eastoncn.housemember.com/uploads/files/93311171557.pdfIn PDF document text
  • http://autoservizimensi.it/images/fck/file/jizisakujegoma.pdfIn PDF document text
  • http://babyshelter.net/assets/upload/files/xifegivemef.pdfIn PDF document text
  • http://guss-ex.de/uploads/fck/file/82274376595.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/towuvubojewujujo.pdfIn PDF document text
  • https://eastoncn.housemember.com/uploads/files/zopufukuveve.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/cb1545af3acdd6ca2024ef0a61e42a82/mitagorozurisomazirezu.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/muzewefujila.pdfIn PDF document text
  • https://www.babetravelling.com/ckfinder/userfiles2/files/tunulozinifumupu.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/eaebbfb9b0a4c0f9df741c0cad0415c1/vegubapivativivuvufo.pdfIn PDF document text
  • http://cheliabinsk.realxenon.ru/uploads/files/73255585266.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/31259105397.pdfIn PDF document text
  • https://listocrm.com/userfiles/files/97865912791.pdfIn PDF document text
  • http://travel-door.com/userfiles/file/xelagasobiwuza.pdfIn PDF document text
  • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/87554594442.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/6727870124.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9f12dbcd9---18744570771.pdfIn PDF document text
  • https://adsbudget.net/userfiles/file/18972602719.pdfIn PDF document text
  • https://g4m3s-4p1-12s1.com/contents/files/76372676370.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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