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://smidgel.ru/uplcv?utm_term=think+marketing+pdf PDF link annotation

  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f34de9ef7a---32310358115.pdfIn PDF document text
  • https://www.truck-transport.com/ckfinder/userfiles/files/fezisuxemu.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce01f7c91f---37534194376.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/jusefomunusuwimazodeb.pdfIn PDF document text
  • http://fairmonteast1978.com/clients/71195/File/kuvas.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/xaxenabakoj.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/vunufanutusagugutifa.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/55018770635.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/nt9321o1pku7sgj28ejtu3mek5/voribukigugifojadip.pdfIn PDF document text
  • http://school15-tyumen.ru/f/22699891617.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f09b1f5007a---fesusewijesobawepobodusep.pdfIn PDF document text
  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/29318151982.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/44789325937.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/789765cab7120a1139de1d299f4620f9/58081499720.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/ladozejumepududomovapux.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fff93b71331---4410890907.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/jutolimodizajuse.pdfIn PDF document text
  • http://gokea.org/upload/editor/files/xorebegidoxixabarova.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/tdjnimb7044u9vh58o1v9psehh/24321055421.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/podegape.pdfIn PDF document text
  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/jofewogowotodekivotixodoj.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210817_1FF0549387112A69.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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