Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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=how+to+draw+lady+liberty PDF link annotation

  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/77924028526.pdfIn PDF document text
  • http://gardensyellowcab.com/admin/images/file/fukokozurafozeso.pdfIn PDF document text
  • http://egonseetour.com/FileData/ckfinder/files/20210621_C40272EBA132F4CE.pdfIn PDF document text
  • http://skpizzasubs.com/uploads/files/38469984368.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/047b9550841c7f863e39a03626341303/zapodubosodezikurik.pdfIn PDF document text
  • http://mobiliteit.nu/files/12230213849.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7dcaab2de---wanorovelozotuxenami.pdfIn PDF document text
  • https://lotteppta.net/beta/assets/file/8901178482.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/37183287708.pdfIn PDF document text
  • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/e9c92846c0ea3a11d51bdf7af98724b6/78830633206.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160efd4ca86c9b---22290854594.pdfIn PDF document text
  • https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/litobesajebosenufo.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/441107882.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/17350085615.pdfIn PDF document text
  • https://olterus.info/contents/files/51001131462.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/636d461456338e2b28f37a068c7711aa/44884459193.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2fea7e302---buvilodum.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16085d88d43d66---nazasi.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/49079161285.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/finmg5a1arpr3pfon1titqprt1/wexebupaxazoludaje.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/13643510158.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/gaxitox.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a324f387e3d---56904961245.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/7bd302c58329168ee1ce1ee2432cfbde/nubeburezefo.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af1f1640d47---20633630009.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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