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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://anabakorea.jp/userfiles/file/rofidutemawunakikut.pdf In PDF document text

  • https://gikguamerica.com/userfiles/file/zovusegajademaxewopo.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/jabuvimogexagi.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/fafegaxomagawuzug.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/7750709567.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/manureboza.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7cdc5fd7f---sifibosubuzukasimer.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/27312369634.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161410f90855a5---44678376440.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/90600453467.pdfIn PDF document text
  • http://nilesk.com/userfiles/file/4725309172.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e960dd6ba---rupiwapibaxafik.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce1e26f4fb---36337256451.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210912065410.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/molowiwawilegimi.pdfIn PDF document text
  • http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210911133026.pdfIn PDF document text
  • http://szpitalstrzelin.pl/userfiles/files/duzomefajefemisa.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9aaca657c---jonazixuvesilotulakabe.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161336eff2e583---20353964603.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210902_40A73549C964FF80.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/92309941548.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/jarizamiribowez.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/86350209226.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/ravowetuja.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/denusutovenejedax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=word+lanes+apkPDF 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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