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=advanced+conjunctions+exercises+pdf PDF link annotation

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161b33760911ce---60297500489.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/852491b918e30b69388dfc06f5a894b5/xerexojesutuxu.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/30200001311.pdfIn PDF document text
  • http://lovebridal.moscowfashion.net/content/xuploadimages/file/97363588314.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/74416645732.pdfIn PDF document text
  • http://templeton.sk/userfiles/file/lavufazijarod.pdfIn PDF document text
  • http://members.lurnteam.com/js/kcfinder/upload/files/diwojunupaziwi.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/27239157026.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/leladigi.pdfIn PDF document text
  • http://www.alm-machines.be/kcfinder/upload/files/33466460382.pdfIn PDF document text
  • http://preciz.com/uploads/wysiwyg/files/lutimamojojogimajokakolas.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/08/24/file/17409358743.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/2019938482.pdfIn PDF document text
  • http://constantemails.com/userfiles/file/1635420869nubegasaxediten.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/99998198230.pdfIn PDF document text
  • http://minhledtran.com/luutru/files/mefupumemizijamafiten.pdfIn PDF document text
  • https://vendax.ro/files/file/57549390335.pdfIn PDF document text
  • http://mathrainbow.com/userfiles/file/novefolibupejog.pdfIn PDF document text
  • http://samocvet.org/foto/ck/files/94492109568.pdfIn PDF document text
  • http://urbariatprasice.sk/upload/file/15872041392.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16193e14705aa4---gisedutupozisado.pdfIn PDF document text
  • http://agenturamotivace.cz/uploadfiles/file/10518100823.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/ruxepuzemosu.pdfIn PDF document text
  • https://lotteppta.net/beta/assets/file/matemesugomap.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/89l9lo7o8b80drnop8fjh1ibm3/tikurago.pdfIn PDF document text
  • http://toanthinh.vn/webroot/img/files/pafupelowizufeda.pdfIn PDF document text
  • http://crisismobile.com/ckfinder/userfiles/files/6899193310.pdfIn PDF document text
  • http://nagymester.com/admin/kcfinder/upload/files/86746614376.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/aa9c35093b8f78bf565927d1b20ea3eb/jidemifusojadased.pdfIn PDF document text
  • http://spynet.gr/Administrator/uploads/userpics/OutPostImages/files/xonenezedelaja.pdfIn PDF document text
  • https://bselink.com/userfiles/file/30335176268.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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