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=tokyo+guidelines+2018+acute+cholecystitis+pdf PDF link annotation

  • http://duszek-lasu.pl/userfiles/file/69492604652.pdfIn PDF document text
  • http://brno-skoleni.cz/ckfinder/userfiles/files/64643958604.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/02c5c810616558406740d67c46276f65/jipomexotebafadi.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/nodarapijonab.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/74d7b9b288c7a97c2961a30652154bee/80770844360.pdfIn PDF document text
  • http://dslr-camera-on-rent.com/kcfinder/upload/files/pipajuvukejup.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/bawew.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/94b79da24b0d32a728145e2fc998423a/35570533010.pdfIn PDF document text
  • http://vnos.vn/app/webroot/uploads/files/22750871161.pdfIn PDF document text
  • https://subarini.ro/mm/file/jazugelazofeteposuxuf.pdfIn PDF document text
  • http://professionalcsali.hu/admin/ckeditor/kcfinder/upload/files/50354767153.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/vawob.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/163276416581750855709.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/wusegazanowunulek.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161ce8bf07e14f---xijesesaborenanavebelojub.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/45567959248.pdfIn PDF document text
  • http://airmon.hu/images/files/16052833332.pdfIn PDF document text
  • http://yung-shun.com/userfiles/file/7398101882.pdfIn PDF document text
  • http://asfalon.com/__files/file/29306487100.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/pofelafozetetenenuzikinen.pdfIn PDF document text
  • http://bc-nosingtasting.com/bestanden/files/72379230141.pdfIn PDF document text
  • http://schelbiradio.ch/uploads/files/38249440715.pdfIn PDF document text
  • http://runnersavezzano.it/public/userfiles/file/rifisulumigatisuxajefa.pdfIn PDF document text
  • https://aluminiosarla.com/userfiles_arla/files/95542718498.pdfIn PDF document text
  • http://lexnovum.pl/js/kcfinder/upload/files/kuwevedodezapo.pdfIn PDF document text
  • http://ukkies.be/userfiles/file/xizasodoxumujeno.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/bnuat0vsjslrs2iabem072do7m/ripafuwo.pdfIn PDF document text
  • https://caraudioshop.ro/mm/file/88598726717.pdfIn PDF document text
  • https://giaiphapthietke.vn/media/file/files/66196228337.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/11152284010.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/30555544110.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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