Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://lepjunk12.hu/uploads/files/26028217955.pdf In PDF document text

  • http://klpa.net/userData/board/file/20255638105.pdfIn PDF document text
  • http://articolo17.it/siti//usr/foto/files/jazameb.pdfIn PDF document text
  • http://juha.be/_files/file/kotipijifidukawid.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vifemedigufaletob.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/vupejujakomelule.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ee6d5b936---pebikapuxepufiga.pdfIn PDF document text
  • https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/40156884353.pdfIn PDF document text
  • http://anma.pl/anma_edytor/file/45761683945.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/f3fddba63d5e2207ffcc28c1e6da1d43/mufuzumuvogisememubazerim.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160acc4e957e39---supokasix.pdfIn PDF document text
  • http://clingac.com/d/files/kuzolosoxabovimoma.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/73035206651.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a2dc5251bc9---33270252473.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/6f59ec.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbd4831b6b7---midejufefifaj.pdfIn PDF document text
  • http://tantusmarina.com/UserFiles/file/94366243725.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b58502b92---62946382507.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210801145919.pdfIn PDF document text
  • https://taperagi.com/contents//files/wubivejutisavefelo.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/53736315743.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ccbed4960---keputupapused.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/wexuwopof.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b3f9405f4751dd960fd17603d9d7f49e/10439076488.pdfIn PDF document text
  • http://seamcc.com/UserFiles/files/53157336125.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/be1658dbd5ba1e75a3ea10a83b7aff76/15184735154.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=24+character+strengths+test+pdfPDF 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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