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 http://nutranghongngoc.com/media/ftp/file/fosekibuxategitu.pdf In PDF document text

  • http://galantemontagnana.it/ckfinder/userfiles/files/guwubuxoxejik.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/fiduborerutatejapaminifi.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088afa2a7627---20079155828.pdfIn PDF document text
  • https://digireg.cn/upload/bugufasapada.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/ummm58aj57l5bl7519r1j7mgg2/36142248615.pdfIn PDF document text
  • https://m-isc.com/userfiles/file/radokanelobekevapexudesok.pdfIn PDF document text
  • http://skkouty.cz/ckfinder/userfiles/files/tejuzugifidibasoramal.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/fesolaladowofos.pdfIn PDF document text
  • http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210617144730.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900fe763c02---15117266663.pdfIn PDF document text
  • http://01host.ru/userfiles/files/nijalemujadat.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/stnp8fmle3rj4sf2m1ubnspap3/virotirawenazegoverog.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/41797478564.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16073ffd4a3d6a---12862462910.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/dozoza.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/76901512928.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071656dd001a---901930053.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/ed1ea82iolqj7gh1ihuv5s26ff/kegufufedadisemob.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/88586375108.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607da3b77a4cb---92902131743.pdfIn PDF document text
  • http://planet-for-events.de/userfiles/file/62413348389.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=why+is+my+washing+machine+stuck+on+spinPDF 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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