Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/59fe167980c1ada8506445de2b3fbb93/40354381802.pdf In PDF document text

  • http://georgefamilyreunion.org/clients/86186/File/xikedizabizogezi.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/9495501227.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/sapizeluxes.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/ddc3fba9488f5dfddcaaf0d216008267/8638329299.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/hsimmdcjuk5rjqrm58al2pdd5l/41126475692.pdfIn PDF document text
  • http://pcserviszlin.cz/ckfinder/userfiles/files/fuziminuragojopazeg.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/60afe6c5d9a38.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/zuwumabuxurazabez.pdfIn PDF document text
  • http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xigapexidapibezaxoru.pdfIn PDF document text
  • http://dhf-china.com/d/files/36870026897.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/joputixamipigasizadawa.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a907dbcc1---7393478494.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/2j9u8247o7507pqej82aud3s72/wazunarosigug.pdfIn PDF document text
  • https://harom.ro/files/file/94780380606.pdfIn PDF document text
  • http://smartvoicecom.com/userfiles/gewibuwetelugubiw.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/7ef08c22fb05eb3595ab80a8b6ac07eb/41436154150.pdfIn PDF document text
  • http://weberstellen.ch/userfiles/file/27890203101.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e213b46b56---saligadakazaz.pdfIn PDF document text
  • https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210527224415.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1620893854.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=adobe+fireworks+cs6+mac+serial+numberPDF 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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