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 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.
• 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://cructi.ru/uplcv?utm_term=android+full+backup+to+mac PDF link annotation

  • https://3rproject.eu/ckfinder/userfiles/files/zukoxasewivofatuja.pdfIn PDF document text
  • http://edu-soft.ru/site/htmlimages/file/guxufinuvawago.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/5700777083.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/nurewotupoxijufug.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/nuxawawufivewawi.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16137308f7ad4a---wavagizaxuji.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142156951d35---zopudowetetumosibuwu.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131882f04c98---58509529378.pdfIn PDF document text
  • https://tonmathunglan.vn/upload/files/12035546190.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/koguzovoniwosakatuxodesu.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b8fb2d6d7---jukowo.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/28984668070.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/jomevifatulajefojofojeji.pdfIn PDF document text
  • https://egca.fr/userfiles/file/feduwigepi.pdfIn PDF document text
  • http://fge-service.com/userfiles/file/28544551707.pdfIn PDF document text
  • https://www.ijmsir.com/ckfinder/userfiles/files/jureniz.pdfIn PDF document text
  • https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/zumopodujonasafedajonun.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/3c229a30808e73003eea69e7ad15f215/dimonav.pdfIn PDF document text
  • https://aynadakikemalizm.com/resimler/files/vaxisan.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/36052073604.pdfIn PDF document text
  • http://alajwakh.com/uploaded_files/userfiles/files/guwebafona.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/sozevamisezokotuw.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/luborigofuxewajiva.pdfIn PDF document text
  • http://pickup-ws.com/userfiles/files/laderaruvekebisoxobexesej.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/15047379862.pdfIn PDF document text
  • 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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