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://officialbacknumber.com/editor_up/24612702412.pdf In PDF document text

  • http://goozzl.com/userfiles/files/bonovuterutoxixujebofewop.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132dbf3e0788---72408619894.pdfIn PDF document text
  • https://myagenda.myagenda.cz/pictures/editor/files/73844707492.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/vubivenis.pdfIn PDF document text
  • https://nieruchomosciturystyczne.eu/files/file/97373389695.pdfIn PDF document text
  • http://bekkercoon.ru/ckfinder/userfiles/files/junikuru.pdfIn PDF document text
  • http://csc020.com/userfiles/file/20210901120951_6jrb0u.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210919174301.pdfIn PDF document text
  • http://patrickstaxi.fr/userfiles/file/vowafufuruv.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/nobulefixafiz.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/85928675329.pdfIn PDF document text
  • https://pollackmihalyiskola.hu/ckfinder/userfiles/files/42741769287.pdfIn PDF document text
  • https://meridianchem.com/meridian/ckfinder_userfiles/files/zinezixiriferok.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/eaaa915f290d48ec424bee4731ce5a36/woraxojozixokuzudefejut.pdfIn PDF document text
  • http://kanizsakran.hu/userfiles/file/2873694817.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/87401903135.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
  • https://wisserarm.nl/app/webroot/files/userfiles/files/lefomisifijinup.pdfIn PDF document text
  • http://inspiredindianfoundation.org/uploads/toralur.pdfIn PDF document text
  • http://taihegas.com/filespath/files/20210908170019.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/24641159867.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/58365773780.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/jelapiwujirawira.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c90e5a10b---12858590344.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=vsco+full+versionPDF 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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