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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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 http://inistor.com/ufiles/files/gerig.pdf In PDF document text

  • http://headrepublic.pl/images/files/xujagasaxobe.pdfIn PDF document text
  • http://uleshuzatshop.hu/files/file/1183857264.pdfIn PDF document text
  • https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/pimelajokikivitid.pdfIn PDF document text
  • https://thehouseconcert.com/ckfinder/userfiles/files/wonezagugiwekijagoxe.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9ce29fa5ab3a3f7d7b7ae5220b2bb95a/rogaf.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/b50c069d43a15190c639850526b23716/38275824465.pdfIn PDF document text
  • http://sungwoneng.com/upfile_editor/2021/files/39108006176.pdfIn PDF document text
  • http://accutindustry.com/Upload/files/20211006065812.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/37442774109.pdfIn PDF document text
  • http://medigroupvn.com/upload/files/dafevotenapojekipupikel.pdfIn PDF document text
  • http://emirates-offshore.com/uploads/image/file/33049428583.pdfIn PDF document text
  • http://thevalleytrader.com/files/62140035341.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/fetagu.pdfIn PDF document text
  • http://qdcmd.com/data/files/45891335413.pdfIn PDF document text
  • https://netlandschool.cl/files/woviwopazuboji.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/161ae86977f39f---kudedarosaminesuk.pdfIn macro / runtime command snippet
  • https://maychieuvinh.vn/upload/files/saxebapidaxiv.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161bbb357f188a---52028197321.pdfIn PDF document text
  • http://m-camper.ru/ckfinder/userfiles/files/33837215794.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/deturevabisusonelajo.pdfIn PDF document text
  • http://mbnlpc.com/assets/admin/ckeditor/kcfinder/upload/files/lozakekeferil.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/mixipad.pdfIn PDF document text
  • https://netlandschool.cl/In macro / runtime command snippet
  • http://feedproxy.google.com/~r/MbOu/~3/BcFPVxLj4jw/uplcv?utm_term=oecd+compliance+risk+management+guidePDF 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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