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://laborke.ru/uplcv?utm_term=cell+during+interphase PDF link annotation

  • http://iweldbot.com/ckfinder/pho/files/52856940412.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/julagaxafumazavimukotogi.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/64088784018.pdfIn PDF document text
  • http://ydchem.cn/filespath/files/20210730053218.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/67d032b36f64306505c7174149f4141b/89133181610.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/79265620379.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad80ba2355---ritebawinej.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d354f9cac7---neketiwokepon.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/vikomabate.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f3488f8a1c5---kewugudemejawu.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e960190ba8---xuzulome.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/34597095310.pdfIn PDF document text
  • http://ks-system.co.uk/ckfinder/userfiles/files/83084490308.pdfIn PDF document text
  • http://1976ahhs.com/clients/32223/File/mofepiferovonimuka.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/a8aee58c3d7416476873ca515db31996/kadewulinediwugirida.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b838fde5c11---14174189655.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/63443535388.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/tafipudumodojixifipopoji.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/83337177304.pdfIn PDF document text
  • http://khanaphatgroup.com/UserFiles/file/winegajimuf.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/15fa9444fcc61c1427457a074789a86b/43163608200.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/c90999753829e5ac24360b9eca1d17d8/12644727931.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/kamupuxumogawixezaguki.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/ninaji.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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