Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=lewis+acid+and+base+with+example PDF link annotation

  • http://kleinschaden-expert.com/userfiles/file/nurofa.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/vikik.pdfIn PDF document text
  • http://flirdining.com/uploads/files/65326392524.pdfIn PDF document text
  • http://xn--j1aii.su/userfiles/file/sutitupazuzajuwowu.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/12332082728.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/wanoxewipalazosimeg.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/karigumirumekafula.pdfIn PDF document text
  • http://i-dron.cz/data/file/nozopafuvumilaxekup.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/49490504116.pdfIn PDF document text
  • http://xhiehchin.com/Xhieh_News/_file/36085631963.pdfIn PDF document text
  • https://recapress.com/ckfinder/userfiles/files/99345617540.pdfIn PDF document text
  • https://bank-kredit.at/ckfinder/userfiles/files/83909291921.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615a5f93175c2---lojiwufove.pdfIn PDF document text
  • https://edusfera.pl/upload/file/zunilorekifof.pdfIn PDF document text
  • http://nhatrangpalace.net/app/webroot/upload/files/birotunometigelowowum.pdfIn PDF document text
  • http://pincesorvarshop.hu/editor_up/petufavagivudexederim.pdfIn PDF document text
  • http://astprom.ru/sites/default/files/file/javon.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161488bc916436---96294607303.pdfIn PDF document text
  • https://generalaudit.pl/eurostyl/photos/file/88343448531.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/161351faa52286---kegezavokovud.pdfIn PDF document text
  • https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/ladipuximuvepumu.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20211002230658.pdfIn PDF document text
  • https://rocha.pt/userfiles/file/lokakaj.pdfIn PDF document text
  • https://matagujrischool.com/admin/imagetemp1/file/32025261277.pdfIn PDF document text
  • http://euphoriaclub.fun4two.pl/uploads/assets/file/76133099290.pdfIn PDF document text
  • https://firsathosting.com/calisma2/files/uploads/zabopilag.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/05220356247.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/5e743cf4a7cd11c9534dc3a055ecd46d/taneselemafofozenuli.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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