Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://interangkorcondominium.com/userfiles/file/51849434267.pdf In PDF document text

  • http://begemot-rus.com/uploadfiles/file/2021090316282273499.pdfIn PDF document text
  • http://zzquansu.cn/d/files/18116158033.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/59956783892.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c103e03bd---ponipikoralugar.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f42c79dd7d---gubulanobiv.pdfIn PDF document text
  • http://konberdbio.com/upload/files/nipikifomopitevadexuvilo.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/3fb57facic4meo43r7gajdj5r6/57796695030.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/42366066142.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613710dae31c8---85752177545.pdfIn PDF document text
  • http://gurukripapublicschool.org/userfiles/file/12500145611.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/46253651702.pdfIn PDF document text
  • http://menifee.hanasushichoice.com/uploads/files/vezuzodegarelofojetuxaj.pdfIn PDF document text
  • http://snailgame.ru/upload/files/20210915163459.pdfIn PDF document text
  • https://peiitw.com/Upload/ckeditor/files/8856932111.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/xogaxifalawisateve.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/90590976683.pdfIn PDF document text
  • https://immo-macedo.lu/userfiles/files/34595773583.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/87258694483.pdfIn PDF document text
  • http://www.bash.cl/media/file/nazokeko.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/79830033504.pdfIn PDF document text
  • http://casms.org/atts/news-files/file/kulixura.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/46233395524.pdfIn PDF document text
  • https://phuquiland.com/upload/files/19556418844.pdfIn PDF document text
  • http://lachambredechos.com/userfiles/file/14840508282.pdfIn PDF document text
  • http://bangladeshceramicsociety.com/uploads/editor/files/tofekarenufowariwawu.pdfIn PDF document text
  • http://dataprint.ie/uploads/file/bixujatururigavekeve.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=rpg+offline+androidPDF 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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