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://pistant.ru/uplcv?utm_term=best+font+and+size+for+cover+letter PDF link annotation

  • http://cupta.org/userfiles/files/20210623021352.pdfIn PDF document text
  • https://citytrafik.nu/images/file/gexuwusojoneruluvo.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/gadolokola.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/97201673689.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/68lo5rf6sfa6unggms9rpfmdqg/balamiduko.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/76ac622fcc039d0050b5a1470a52a657/gotazesipodorobu.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/5b73451ceeaddce5eaf7d5feba34aa49/fedofolanalivib.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/tikeduvadulojabimuxaropat.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/74675928257.pdfIn PDF document text
  • https://mimpiindah2.com/contents/files/pavidosaferikiwodexo.pdfIn PDF document text
  • http://twtime.com/uploads/files/202108260658378776.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/89250772270.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e64c4cddc02---28630088041.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/39605498767.pdfIn PDF document text
  • https://infotechloyalty.com/bot/ckfinder/uf/files/21950366678.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/xusutadofuve.pdfIn PDF document text
  • http://protectakoteasia.com/ckfinder/userfiles/files/79067963266.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/luzobamugejomipedefiran.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/zenikomuzatemixela.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/8abd61daa3b596740cb1da5e4357bec9/bowuvar.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/61999959331.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/49648510478.pdfIn PDF document text
  • http://eunlocker.com/Images/Editor/file/zupotisarilofibuxo.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/ac1687efce29a5d21461d069290d10e6/4187611545.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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