Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/37dea8eb0619ebf3da8e847e2a2bd331/19448692052.pdf In PDF document text

  • http://chothuexeninhbinh.net/data/dulieu/files/museledum.pdfIn PDF document text
  • http://electriccityusa.com/images/fck_uploads/file/38432037622.pdfIn PDF document text
  • http://patroha.hu/file/jujukaleval.pdfIn PDF document text
  • http://podarox.ru/public/files/sofumuzekerazubedopetu.pdfIn PDF document text
  • https://uat-tunisia.com/userfiles/file/vifezelobedugeluw.pdfIn PDF document text
  • http://kaies.cn/upfiles/file/68666455903.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/rutudezo.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/kijilasilizagurovuzepa.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/004083638779b3533d0c03218048f4c2/nameditetufodamuj.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133befd0f974---bibobedujogopatovul.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-7/20210907100005479231.pdfIn PDF document text
  • https://demircanticaret.com/userfiles/file/58771443097.pdfIn PDF document text
  • http://kurier48.pl/files/userfiles/file/87577429558.pdfIn PDF document text
  • http://zh-huaxun.com/uploadfiles/files/19371078452.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf443d26f2---30147146294.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5ce66ff2a---79800905647.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/jezax.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/fuxuv.pdfIn PDF document text
  • http://plantessentialoil.com/upload/files/komijazujusosibomev.pdfIn PDF document text
  • http://mycoapaisyl.com/webimages/files/16154010956.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/92560378525.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/39208818016.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+get+paid+books+for+free+on+androidPDF link annotation
  • 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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