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
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://krisoc.ru/uplcv?utm_term=interstellar+%282014%29+movie+worksheet+answers PDF link annotation

  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/gadudidafum.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/mamitejegenixupuwiwokunu.pdfIn PDF document text
  • http://ankaraeksioglu.com/resimler/files/2748638454.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3f2662281---35212810114.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e0a4f67af9f---fanewupilorijevediroteg.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085d0965d48e---75792924773.pdfIn PDF document text
  • http://longvu.vn/Images_upload/files/ximalofuwomamovatozi.pdfIn PDF document text
  • http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/suzuzojegegufox.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/889591668ce78413deb7c2710b062cd7/78641192058.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/65973553967.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9bf2d25bb90ac23e8eddf6276fe462b6/wevopupovepititewus.pdfIn PDF document text
  • https://adikkedua.com/contents//files/41135307327.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/f7853639f374afc1a41926bf2618e679/45749748859.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ca9609c5a---81741082812.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/bufozaku.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609467d0b19b0---87156235933.pdfIn PDF document text
  • https://queensflower.nl/clientfiles/zirogaxuxivuko.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/0ookml6jm8oilh69c2s0c7gaek/fiveli.pdfIn PDF document text
  • http://dom-2000.ru/ckfinder/userfiles/files/kebuxaxisoje.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a405b8ce5---96869460111.pdfIn PDF document text
  • http://lamgi.pl/ckfinder/userfiles/files/6864353000.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/30345081168.pdfIn PDF document text
  • https://securitydm.com/slicice/file/sunibajedazigegol.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bb58fe7c610---49773815176.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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