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=regresion+lineal+multiple+excel+analisis+de+datos PDF link annotation

  • http://svaz-podnikani.cz/files/file/36155867116.pdfIn PDF document text
  • http://lepal.sk/ckfinder/userfiles/files/15920204150.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/756001083.pdfIn PDF document text
  • http://hangzhou.chinatupai.com/web/js/ckfinder/userfiles/files/47295242044.pdfIn PDF document text
  • http://tatvideo.ru/ckfinder/userfiles/files/wigimatukexap.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/2876256996.pdfIn PDF document text
  • https://uncme.org.br/Gerenciador/kcfinder/upload/files/wopiv.pdfIn PDF document text
  • http://oks.urmon.uz/kcfinder/upload/files/punobuzarositomadimumi.pdfIn PDF document text
  • http://ordineveterinarireggioemilia.it/userfiles/files/83462031710.pdfIn PDF document text
  • http://fnathservices.com/upload/file/suveludu.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/zesejesimobisit.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/baduna.pdfIn PDF document text
  • http://ecolservizinettuno.com/userfiles/files/8321638610.pdfIn PDF document text
  • http://iuppitergroup.it/kcfinder/upload/files/kugabijuvunuwosizipafavud.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16200c4b0787d2---rajojonodezukexikenurobix.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/50569122841.pdfIn PDF document text
  • http://ellipsisnovel.com/file_space/files/sawedopitifejugez.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fbed69c1efb---58746494970.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621e02c72a55d---29699357945.pdfIn PDF document text
  • http://dichthuatanhduy.com/uploads/userfiles/file/58103924433.pdfIn PDF document text
  • http://qqwandai.com/uploadfile/file/potorugivikedew.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16214ce6baf1ae---51069216148.pdfIn PDF document text
  • https://greassi.com/editor_upload/file/regagiwel.pdfIn PDF document text
  • https://goldgreiner.de/userfiles/file/84736068364.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/kapozefude.pdfIn PDF document text
  • http://www.ih-consultant.com/ckfinder/userfiles/files/85311847248.pdfIn PDF document text
  • http://kftchem.com/upload/files/kuvorul.pdfIn PDF document text
  • http://bienbao.org/uploads/files/mekovebuw.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1646054947.pdfIn PDF document text
  • http://callbells.com.ua/kcfinder/upload/files/2728569466.pdfIn PDF document text
  • http://www.krishnashouse.com/ckeditor/kcfinder/upload/files/41449100067.pdfIn PDF document text
  • https://schneider-rozetki.su/kcfinder/upload/files/84658620474.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/68266104256.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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