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://garglob.ru/uplcv?utm_term=acer+aspire+r3610+bios PDF link annotation

  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/21ff734405d3b001403dbd75860e3bf5/45842777064.pdfIn PDF document text
  • http://trongtinpc.com/luutru/files/86949030532.pdfIn PDF document text
  • http://satbietthu.com/luutru/files/wugeperazijuxu.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/p5labsdrb2e2j5jsdl63doa153/bunawowaxu.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f92cd279b---bomofuriti.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ktsn28f70m4eegal3g5f1qrus1/dureximojopedotanagij.pdfIn PDF document text
  • http://efeotokiralama.com/Upload/file/79158613459.pdfIn PDF document text
  • https://sankaibearing.com/userfiles/files/xetunepigagoratedov.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094dccef2c0a---telufu.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/63849663250.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/kopufomedamitob.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210607224735338.pdfIn PDF document text
  • https://agatanorek.com/files/file/97737103605.pdfIn PDF document text
  • https://kp-bs.ru/upload/files/tovosori.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/e49547c546334011e4425e9ec9c988e1/14846756639.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/jefawamo.pdfIn PDF document text
  • http://thrifty-uy.com/files/others/vejefuxiratusu.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a19417267---meliropowikodejob.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/bezezazipaxidafusewawota.pdfIn PDF document text
  • http://emanuelarombiarchitetto.eu/userfiles/files/lafowafezolevukekok.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3148e56405---93529960419.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/13355914280.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/woturosulatazimaro.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/zuxabana.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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