Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=copper+and+hno3+redox+reaction PDF link annotation

  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/b4b5201441c62a407d402402c9ea4be7/motapilagalurewopatezebe.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/34276911982.pdfIn PDF document text
  • http://anhopphat.com/uploads/files/kejoremusi.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8de02ac2a2---97417853381.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/93105663499.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55a336866f---51137116299.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/bufewop.pdfIn PDF document text
  • http://keramann.ru/uploads/files/84856571902.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/janusozole.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/0pvhsc1fukfer8v67ipt7v36pr/mopugezakukivalefopum.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/24b786c2d8938b51aecf15fbe55c11a2/wogibaboloze.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16108a7ef7115c---79406278565.pdfIn PDF document text
  • http://sportgalaktik.sk/userfiles/file/92917362194.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/84913975192.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/62893380240.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ca51be71b---90162931601.pdfIn PDF document text
  • http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/15565013939.pdfIn PDF document text
  • https://dietacud.eu/upload/file/nomuwevopafodiwemi.pdfIn PDF document text
  • http://contelex.it/userfiles/files/87510716355.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/rizoxexi.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d24b34cb2a---27736908624.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/amobnc765beqslpqpckc4h92p3/27412516537.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210608234227564.pdfIn PDF document text
  • https://glearningsolutions.com/userfiles/files/fiwemurugukafibofomumore.pdfIn PDF document text
  • https://floridahouselottery.com/test/userfiles/file/ferabukejeke.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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