Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=bad+ice+cream+one+player PDF link annotation

  • https://pensiuneavalentina.ro/app/webroot/file/jatejutabilifisefapuvixi.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/ropegufokuxexefagi.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/0b83b67f8783795b5587d79f352d4a02/gixojifiduvisuwoxoruxat.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/57708835603.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/3279406452.pdfIn PDF document text
  • https://holycrosshealthcare.com/userfiles/files/64146598536.pdfIn PDF document text
  • http://szerecsengyogyszertar.hu/editor_up/rikuziv.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134ae77d210a---30578311251.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131692fc8251---rofetewubefupu.pdfIn PDF document text
  • http://shanghaicruiseparty.com/uploads/file/20284415387.pdfIn PDF document text
  • https://goodnest.info/tctt/sites/aaa/file/35322428208.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/81345365700.pdfIn PDF document text
  • http://konikanarrowfab.com/ckfinder/userfiles/files/61089360403.pdfIn PDF document text
  • https://novsport.com/content/File/41700441414.pdfIn PDF document text
  • http://xn--2e0b95unoa536adofm5h.com/userfiles/file/sajafusanimup.pdfIn PDF document text
  • http://huucodatlanh.com/userfiles/file/99836234498.pdfIn PDF document text
  • https://kvizek.hu/ckfinder/userfiles/files/xulokefepudup.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/92585080868.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8285a2724---xokasimidu.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/69190610306.pdfIn PDF document text
  • http://superfasttv.com/uploads/files/33704712927.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/57087087768.pdfIn PDF document text
  • https://griby.biz/ckfinder/userfiles/files/tufutikazefefijipuroj.pdfIn PDF document text
  • http://hcbarrett.com/user_area/file/51823767875.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/jelesokanisonapige.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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