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://sunuf.co.za/XSRYdR1H?utm_term=browser+link+whatsapp+apps PDF link annotation

  • http://barahi.com/assets/userfiles/files/46801774905.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20211029_185643.pdfIn PDF document text
  • https://www.madenisg.org.tr/kcfinder/upload/files/10795733913.pdfIn PDF document text
  • https://banerjeetourspecial.in/ckfinder/userfiles/files/73789859996.pdfIn PDF document text
  • https://hospitalsanfernando.cl/ckeditor/kcfinder/upload/files/80602591083.pdfIn PDF document text
  • http://inarchengineering.it/userfiles/files/dikek.pdfIn PDF document text
  • http://carszana.com/image/upload/File/sizigubunufiri.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613587e3e9a36---zubogaj.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/9d7e6eb372e74a0013a524a3ce604a69/81206741495.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/64764036668.pdfIn PDF document text
  • http://lmnn.ru/userfiles/file/newesuzalevatofu.pdfIn PDF document text
  • http://escalierdurire.fr/ckfinder/userfiles/files/4598801494.pdfIn PDF document text
  • https://protectname.xyz/whoisprivacy/userfiles/files/95813834543.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1619b943ab40de---dusew.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/24830399510.pdfIn PDF document text
  • https://happen.webasl.com/userfiles/file/60062688404.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161540ec9ac5a3---zowuwomedugapetol.pdfIn PDF document text
  • http://ssss-sangam.com/userfiles/file/17439075616.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-8-3/20210803185525537241.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/wunox.pdfIn PDF document text
  • http://cfboxrx.com/js/kcfinder/upload/files/siluzasaripelarove.pdfIn PDF document text
  • http://orosweb.hu/userfiles/file/kewifusakawe.pdfIn PDF document text
  • http://deepakbatteries.com/uploads/file/26467280272.pdfIn PDF document text
  • http://hockjoohin.com/admin/uploads/file/19927134664.pdfIn PDF document text
  • http://edison76.com/clients/5/54/54c13950cbd15a81e6fb4362eab8f273/File/morifesexokibelogebotir.pdfIn PDF document text
  • http://sonsuadogo.org/Images_upload/files/58944455975.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16158e87f30877---febekitukoxiwedoj.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/1u2h61s3snbbueg97uq6945lsq/tedozerekofusajefenotimo.pdfIn PDF document text
  • https://iqrainternationalschool.org/_assets/files/wovinopetekujaravix.pdfIn PDF document text
  • https://hchoanglong.vn/userfiles/file/25331546128.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/55599409346.pdfIn PDF document text
  • http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/nubaxasogirakajejubak.pdfIn PDF document text
  • http://tahyuh.com/uploads/files/202110042108022556.pdfIn PDF document text
  • http://status.cz/UserFiles/File/26229247222.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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