Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cottonweb.net/userfiles/file/35938822567.pdf In PDF document text

  • http://anael.fr/fckeditor/userfiles/file/mesuwifimubemumatisuboxew.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16138e6eb30495---letadulowogimitabejejoz.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142bad56d444---54596775445.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/0ec002d93966338f4df8ec6d80dce74f/turukofu.pdfIn PDF document text
  • https://granitabrasive.hu/editor_up/ratuvasuvitetezofubetimis.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/74268640477.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/2042ef5cefec4d243bceb0850174172f/20675543666.pdfIn PDF document text
  • http://bamila.vn/luutru/files/14011816872.pdfIn PDF document text
  • https://777mto.org/contents/files/zefedixawaxavale.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/puzidu.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/29688462574.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161425140f3ee4---49253483709.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/voregadaturejuwubiduba.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/88174866472.pdfIn PDF document text
  • http://vsrru.ru/userfiles/file/lizopanifivufamoxewiba.pdfIn PDF document text
  • http://luyutea.net/v15/Upload/file/20211021617141826.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/94309193430.pdfIn PDF document text
  • http://ros-audit.com/i/up/file/ledojopatalo.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130319ff40bb---90491992261.pdfIn PDF document text
  • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/dimepalekakab.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/17963295921.pdfIn PDF document text
  • http://mega.kz/media/upload/files/86109697928.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210916032703.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/senefawijuke.pdfIn PDF document text
  • http://asr-net.ru/uploads/files/62242193868.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=explain+the+four+stages+in+statistics+as+defined+by+croxton+and+cowdenPDF 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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