Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://garglob.ru/uplcv?utm_term=free+robux+promo+codes+2021 PDF link annotation

  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/fef47711b49a6c8798b2d51a4c9ad6d5/81828965422.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/161410ee1e3fa4---xewurusibat.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/nujapudiwerenobekexefez.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/vupawesareg.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422bcc4d845---wenufanetarotodamuf.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/bunixub.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613f259583db0---zamobixure.pdfIn PDF document text
  • http://homestationrealty.com/userfiles/files/95521049708.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27554824472.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/delife.pdfIn PDF document text
  • http://travellightnepal.com/userfiles/file/pafalirulimaroziturem.pdfIn PDF document text
  • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/mibilebademikuj.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/96435480069.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/32641358570.pdfIn PDF document text
  • http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mibivipilugetuwusuvadil.pdfIn PDF document text
  • https://eltechma.com/zdjecia/fck/file/7750765334.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/wupapot.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/c614d8f3e1718ecd0917c78abfdebc98/31663641882.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/4c3786cce264b5dded241d7e01ae9529/78229972158.pdfIn PDF document text
  • http://aprt1day.ru/file/gorunomuwexeraxat.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/68593394654.pdfIn PDF document text
  • http://domki-kopalino.pl/pliki/24364846796.pdfIn PDF document text
  • http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/74028093820.pdfIn PDF document text
  • 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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