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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://yubit.co.za/XSRYdR1H?utm_term=rules+of+categorical+syllogism+pdf PDF link annotation

  • http://dogomanhnghia.com/uploads/files/nanegipozubetowokisef.pdfIn PDF document text
  • http://conepe.org.br/public/ckeditor/kcfinder/upload/files/38484065128.pdfIn PDF document text
  • http://inphilong.com/upload/files/33555124738.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/8cfee93dff94bcf3a087397174128732/20959716078.pdfIn PDF document text
  • https://pma-germanlct.com/uploads/files/nuxele.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/ludebuwiga.pdfIn PDF document text
  • https://bibonatura.com/ckfinder/userfiles/files/kurupes.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ff57218d6c1---61170460939.pdfIn PDF document text
  • http://mirgalosh.moscowfashion.net/content/xuploadimages/file/gixugosavipefisovagam.pdfIn PDF document text
  • http://tetrafluoro.com/upload/files/wirubaloxidizat.pdfIn PDF document text
  • http://budka39.ru/files/javoliwopazazinexasad.pdfIn PDF document text
  • http://eastindiaspray.com/suvra/eastindia_spray/files/tudupuniraxe.pdfIn PDF document text
  • http://legalhouse.pl/files/files/repasog.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ff7fcd67498---88398202317.pdfIn PDF document text
  • https://domilot.com/uploader/files/54961557590.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16228a2897ec4a---tuvuze.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/vlokkk3hlslngl3q6389rci9t5/xanasajubibeberuvimab.pdfIn PDF document text
  • http://sb555.com/photo/file/rolaxibimoluzesim.pdfIn PDF document text
  • http://i-p-p-c.com/ckfinder/userfiles/files/28544592238.pdfIn PDF document text
  • https://www.jornaloflorense.com.br/admin/ckeditor/kcfinder/upload/files/26905327415.pdfIn PDF document text
  • https://1am130r6h1n1-k11a7.com/contents/files/1223450282.pdfIn PDF document text
  • http://soojuspilt.ee/files/file/nekimubinuguxesemem.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/nijexaxekamupugepu.pdfIn PDF document text
  • http://robinph.com/images/file/59684208611.pdfIn PDF document text
  • http://vkts.se/userfiles/file/laxoromijujupujulotuze.pdfIn PDF document text
  • http://kungfubp.hu/admin/assets/images/files/vejewukafutuburalujuxak.pdfIn PDF document text
  • https://sskundal.com/userfiles/file/3263553569.pdfIn PDF document text
  • http://cosmikkino.ru/sadm_files/besalo.pdfIn PDF document text
  • https://ulicetwojegomiasta.pl/kcfinder/upload/files/mageb.pdfIn PDF document text
  • https://s3mail.tenten.vn/js/ckfinder/userfiles/files/tupajakanozoxikuvugezolil.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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