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
• 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://lordoptika.hu/files/files/55222715537.pdf In PDF document text

  • http://gelinyuanyi.com/upload_fck/file/2021-9-3/20210903130437510631.pdfIn PDF document text
  • http://mastervin.ru/files/file/rasejigoda.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/dukajidonozoda.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/7t7o0dtg9ivv473ulg034tot7q/22250466067.pdfIn PDF document text
  • http://police8coop.com/UserFiles/file/98939248331.pdfIn macro / runtime command snippet
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/bejejilimuzokafuzofedone.pdfIn PDF document text
  • https://ventadeterrenosagricolas.com/userfiles/file/22986352137.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/517jgnk163q5mmd8qa62a2867e/jazaxawi.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/nefisuropabibikuvibaz.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/sitirufovenodiwemiranu.pdfIn PDF document text
  • http://moda-minulosti.cz/docs/momin/file/xunigugavenopexirukesew.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/d3a6fac4b2d51747f13de2419262afbd/89037753067.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/43513491457.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/migesa.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/75029167345.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/puwebojusetojufebufati.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/sakoz.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92095253685.pdfIn PDF document text
  • http://szentdorottyapatika.hu/files/ziduzebozerodu.pdfIn PDF document text
  • https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/notebimenedas.pdfIn PDF document text
  • https://www.prieur-equipement.com/ckfinder/userfiles/files/pasilewarinofexajedo.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5e76545b6---11403227648.pdfIn PDF document text
  • https://cradlegold.cIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=justice+league+by+zack+snyderPDF 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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