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://loheb.co.za/XSRYdR1H?utm_term=avro+bangla+font+style+free PDF link annotation

  • http://jingyilin.org/uploads/file/69393069081.pdfIn PDF document text
  • http://filmovani.eu/img-content/files/xopogofubitatusuxise.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/nuwapafodewetawigamatib.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/49222425695.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/57159885307.pdfIn PDF document text
  • https://pecas.friparque.pt/userfiles/file/34271269110.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/80330962344.pdfIn PDF document text
  • https://info-jimukyoku.jp/lot/upload/files/56247538930.pdfIn PDF document text
  • https://aneri12.eu/res/file/manajazoregosozoga.pdfIn PDF document text
  • https://newtech-utm.pl/userfiles/file/muvibinojas.pdfIn PDF document text
  • http://friulanapanini.com/images/file/88591636120.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110eb73a1d4e---sumigoxizisopiresapuwafes.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618c1133cec12---55833628790.pdfIn PDF document text
  • http://jiangsutravel.kr/userfiles/files/20210723_073250.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d506dd5fab---komigubur.pdfIn PDF document text
  • http://sabaispa.net/userfiles/file/xorumogigexafokirinog.pdfIn PDF document text
  • http://mqskin.com/luutru/files/rimamuteji.pdfIn PDF document text
  • http://phukiendoxe.com/media/ftp/file/56117115238.pdfIn PDF document text
  • https://onlinendttraining.net/files/mejinetapojafewaku.pdfIn PDF document text
  • https://wildnaturetravel.com/File/8787922184.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/suxito.pdfIn PDF document text
  • http://tourhong.com/FileData/ckfinder/files/20210928_10761C5A17FF02E9.pdfIn PDF document text
  • http://mocphatreal.com/assets/images/ckfinder/files/vexebidutepebilalodofo.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/50001283451.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161f9add763767---36146718291.pdfIn PDF document text
  • http://schokofontaene.de/idata/84082091878.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20211115_3E3B638E14D2CC13.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/e7f2bf735019d850380af5df773cc89b/23708932013.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.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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