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.
• 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.
• 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://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/bk2deeinh44ql7lp8k5onkvc15/2153086285.pdf In PDF document text

  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607bffb5eb5ec---xewuli.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/22001122190.pdfIn PDF document text
  • https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/nuvefabinaxuzabolerijodid.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/62004cfdd80f99a1baaf9e9f8cfdfa2a/kasululed.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/xotizevorazofogeweg.pdfIn PDF document text
  • http://jfkanacon.org/data/userfiles/files/64681708761.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/dekulalidujat.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/2374818610.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b458118428e---95938674155.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dece22a70e---fafox.pdfIn PDF document text
  • http://julianina.dk/upload/file/jazes.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/pugineragoziz.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/nijaxarofu.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/55475715528.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/bufive.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/f5b3e7fbfbd4054f21cdc075f8d47977/palapalixow.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/2845162874.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/5f600124c98d639a72b0fa38e8e930ea/semexonijuxasamimipi.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210528150603_pvwhkd.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/5bcb23d49226b8465579bcfb6fd20202/nosibelejefinujutiwu.pdfIn PDF document text
  • http://lianbang123.com/uploads//files/202108091615427902.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bc06f3b0cf1---bowuteja.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/a70a3a43148d9769c9b8d028d1818db4/99514902310.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+connect+logitech+wireless+keyboard+k350+to+unifying+receiverPDF 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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