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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://oniceh.ru/uplcv?utm_term=bully+anniversary+free+download+android PDF link annotation

  • https://svltv.in/userfiles/files/xedera.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/fowofagiweseb.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/77994828909.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/5263751731.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/79390370304.pdfIn PDF document text
  • https://betsin.org/userfiles/files/54754399172.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352fd4e36f1---pokowabojine.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa5f0c045f---mumuzajekomejarivowag.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136af7eb10e4---golufejasotunumikezob.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/mifiredazonegakuvak.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/18267826842.pdfIn PDF document text
  • http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45062887832.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202109041157219725.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/7940493af0807186f8273083b725f07b/33440038032.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/nikipajonil.pdfIn PDF document text
  • http://qdcmd.com/data/files/45891335413.pdfIn PDF document text
  • http://senvietsystem.com/ckeditor/upload/files/noxarolasadoveximono.pdfIn PDF document text
  • https://jaukiaplinka.lt/ckfinder/userfiles/files/50492867338.pdfIn macro / runtime command snippet
  • http://kmjmt.com/news/upload/file/210913095246911138alwfmh.pdfIn PDF document text
  • http://donghozibistore.com/luutru/files/63138804781.pdfIn PDF document text
  • https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/likun.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135c9aee152d---63324443085.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/09/04/9742523777.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/77217034562.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338287d094f---18027285673.pdfIn PDF document text
  • http://senvietsystem.com/In macro / runtime command snippet
  • 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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