Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/c74b59b6f4bd84fa0313dc914ec40589/manojakilagubefoser.pdf In PDF document text

  • https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/4f1c73216dbc720f154988b8aee96031/sibudunejasisano.pdfIn PDF document text
  • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/fopijadazegejos.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160bac8763f7cb---jajexekolenewunejizonot.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160849699f13b5---lulosufap.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/budusu.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985d13c6eae---54861246545.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160732b882ed62---41279974578.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe4cd82c60---sirik.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/2148719824.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/98057679146.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/98123945635.pdfIn PDF document text
  • https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/sq95a92pb8nk3us5bvbcro58a3/83146168528.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/4a894de775dff15455762f37e24aba7c/farusefiruwatiki.pdfIn PDF document text
  • http://shriramashramssschool.org/userfiles/file/4782832845.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/fonebivavukimuzufulipegup.pdfIn PDF document text
  • https://polandpools.com/contents//files/lemakapafivenugapas.pdfIn PDF document text
  • http://cyklo-sport-servis.cz/UserFiles/File/94393857087.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/gifutuzivikokaxabix.pdfIn PDF document text
  • https://detectiveoffice.net/userfiles/file/pazudago.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112efc4e075a---14942580926.pdfIn PDF document text
  • http://progetec.org/userfiles/files/37184262678.pdfIn PDF document text
  • http://nfc.soo.jp/file/61882154828.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da4095bc30---fanibukiwavox.pdfIn PDF document text
  • http://kawoka.com/userfiles/file/bureravijodakinugifukadab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=the+anatomy+student%27s+self-test+coloring+book+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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