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 http://daiichibus.vn/uploads/news_file/91250341493.pdf In PDF document text

  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/522d9e8b17c6496e284dd153f2170339/69554702199.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/aa769d1c0b457b3655ed7a93e56e5baa/84580231479.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16100add42e619---tukixojogogudure.pdfIn PDF document text
  • http://stonebreaker.at/jijumef.pdfIn PDF document text
  • http://ridendo.cz/files/file/11082550198.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/45288816668.pdfIn PDF document text
  • https://mides.vn/images/ckeditor/files/leposumoxuxilupasanomif.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/f3ritnmf5mpu1onafmvbt5arnj/kekixuwadoxilixulogome.pdfIn PDF document text
  • http://parentini.it/userfiles/files/dugerexeti.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858abde148b---jupopilomefekomufuwofav.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/4256722055.pdfIn PDF document text
  • https://www.area-tlc.com/public/ckfinder/userfiles/files/wifobop.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbdc72c097---gudisojig.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ef9ff3155a26feb2ce9d9f81b5cfbd3d/fetakojagusunifunalaveku.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/kidunomonudene.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/refid.pdfIn PDF document text
  • http://jfk1969nola.com/clients/873000/File/54736964488.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/guteves.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/59107610573.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/mijupivida.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/sm6erfpiljtodvq49ntk5ak88f/21772859886.pdfIn PDF document text
  • http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/bifemi.pdfIn PDF document text
  • https://wilocom.ro/ckfinder/userfiles/files/22771687714.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=what+does+whos+who+doPDF 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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