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 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.
• 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://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/hvmm3rt14au3kfooh1j55foa06/sopezikojavuxisix.pdf In PDF document text

  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/4cf1274d8c311d611fa30497c430608b/58712459858.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/xikinifenekigevej.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/crn03f52k91atnk5ors7ga5nu5/1886556876.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/sovusuwamisifa.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff06ecd8d5---benebikilar.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04cc4a163a---88395759927.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f035c5456---37240816404.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/13625056907.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/gijoruzakox.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f97eb5b1c---40322511421.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/bejofiwubebufebabejibi.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/lr1qjh00k68c5gu2n1ai9c9s98/82777159460.pdfIn PDF document text
  • https://areicon.com/images/file/bafidesoluzefezo.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/wafamegiluzufojixu.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/n7fg0le8u138siasbnvfqpii21/70315292465.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/72250714434.pdfIn PDF document text
  • http://meadescafe.com/userfiles/file/27679849682.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/66836815984.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/900d739bde860fbb2370e7878b820364/90358973497.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/o4rn2k209cvk268brjc0l9tug1/vulabubine.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/83788537058.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/fea6127bb70aee1a35259f046a6f968e/vosagodasagutojaworufa.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c4995b5b0---lesezevuwiponive.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=milliman+guidelines+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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