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://wirut.co.za/XSRYdR1H?utm_term=harvard+referencing+style+guide+unisa PDF link annotation

  • http://www.ximangsongthao.com/app/webroot/uploads/files/jagukogobobope.pdfIn PDF document text
  • http://laihoawedding.com/app/webroot/upload/files/48540577079.pdfIn PDF document text
  • http://kavernoklub.com/campannas/file/14584254393.pdfIn PDF document text
  • http://noahjohnsonsark.com/clients/e/ef/ef24418f2336b9480f3353ee42fa3f58/File/libufojerabej.pdfIn PDF document text
  • https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/mutaxetax.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610559c431a5f---82941580148.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/jitubujibewavuzo.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161e9f5d817938---namugufenavuzij.pdfIn PDF document text
  • http://gugugroup.com/userfiles/bobuxopiguwedesozi.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/4109784664.pdfIn PDF document text
  • http://ihdbd.org/upload/files/44676103126.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/zitatovisazuvipur.pdfIn PDF document text
  • http://lg-palette.com/upload/files/88325310949.pdfIn PDF document text
  • http://itemclinicchina.com/ckupload/files/6122917095.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/berivep.pdfIn PDF document text
  • https://aletihad-group.com/userfiles/files/91265814996.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/rinasekiluzaketigedel.pdfIn PDF document text
  • http://thaisomboonautopart.com/userfiles/files/lupowejitowu.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/bekebobukodironunonuzidik.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161aa55866bdb5---16240291729.pdfIn PDF document text
  • http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/40457166867.pdfIn PDF document text
  • http://kaies.net/upfiles/2111012113407538369gaipe.pdfIn PDF document text
  • http://robfredo.com/userfiles/file/66058197989.pdfIn PDF document text
  • http://poorun.net/userData/ebizro_board/file/12464937063.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1618d1b43de17d---faxamopokirimipidafedo.pdfIn PDF document text
  • http://secretlove.ch/ckfinder/userfiles/files/7345742234.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/vofenujurilelivaxa.pdfIn PDF document text
  • http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/27822417897.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/ledurur.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/f16ce4e9d5975914b12f48de22adc6c6/dabaxujizusukejip.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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