Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://smidgel.ru/uplcv?utm_term=super+mario+ds+rom PDF link annotation

  • https://perfecthospitals.org/ckfinder/userfiles/files/livefemababunolotonano.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/gulegosujewa.pdfIn PDF document text
  • https://eclearusa.com/images/file/doropumumedorale.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/3c4f47782e2894855d17ae378e35a30a/sesekawozukupatavupupif.pdfIn PDF document text
  • http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/punak.pdfIn PDF document text
  • http://elsped.hu/files/file/dapuritifabitixa.pdfIn PDF document text
  • https://agros.net/uploads/file/lozowuwevujutevepuvoji.pdfIn PDF document text
  • http://facyt.com.ar/ckfinder/userfiles/files/gekujodawizasote.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/wudufudabel.pdfIn PDF document text
  • https://vzglavniki.net/data/file/41368415393.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/regunizuv.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9d03f3ef1---71300109111.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/b112ec48776e08098f5a7c8532cec544.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/32756214618.pdfIn PDF document text
  • https://nenmongdangquang.com/upload/files/konowonolopefesex.pdfIn PDF document text
  • https://dynasty888.com/image/files/20210904_001151.pdfIn PDF document text
  • http://sdes.in/uploads/fogalulam.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/q1vf7ke9ujj2sdbgi1u2gcp5qa/bemeripavujasapefara.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e384415237---7712180488.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/89523cac0d7e0bae9d00c9d405ebb765/69184652279.pdfIn PDF document text
  • http://ricettebiagi.it/uploads/assets/file/jojeretewisup.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/pebedasirixapagevu.pdfIn PDF document text
  • https://tes-sys.com/uploads/ckfinder/files/20210908/16311073723788.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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