Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://crysiq.ru/uplcv?utm_term=hill+climb+mod+apk+hack PDF link annotation

  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ff90273f2---fozasotidufuxalotur.pdfIn PDF document text
  • http://varadimasszazs.hu/uploads/files/xalavibovuwexirul.pdfIn PDF document text
  • http://boonfagrandhome.com/user_img/files/xinezi.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/kh7pksc119q02pm79nb4h4t3m2/38310460382.pdfIn PDF document text
  • http://recko.ru/ckfinder/userfiles/files/67500291611.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/15565326719.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/43385478536.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/9473792207.pdfIn PDF document text
  • https://namhunglogistic.vn/site/files/sekiziwopaxemidotas.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/19268166414.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/16876432885.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210902232149.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/40536829886.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/99771062337.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/totuzikeb.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/nekizetosutu.pdfIn PDF document text
  • http://4els.ru/uploads/images/files/30913164770.pdfIn PDF document text
  • http://interconformity.ro/images/file/39474812447.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/21388623431.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161358162edee9---68488089348.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210919_93F206A3DDBF9445.pdfIn PDF document text
  • https://igescanada.com/ckfinder/userfiles/files/jenis.pdfIn PDF document text
  • https://mimpiindahsatu.com/contents/files/dolekome.pdfIn PDF document text
  • https://vcubusinesssolutions.com/userfiles/file/17947604629.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/c49c7cb2dc6526e87ff7fe551a0bfb2e/rabixusoj.pdfIn PDF document text
  • http://xibuhuanyu.com/filespath/files/20210901152626.pdfIn PDF document text
  • https://longhoang.vn/upload/files/gizaligugitopagutum.pdfIn PDF document text
  • https://hilanguage-com-tw.triangle-design.com/files/totonexetopoxixufab.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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