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://coretry.ru/uplcv?utm_term=star+wars+iphone+wallpaper+live PDF link annotation

  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d093e4e56---vubikixagisilin.pdfIn PDF document text
  • http://elfuklid.cz/foto/Image/file/masawa.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/28047356256.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16143a2a86c199---wibugut.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/33056766120.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/77401736859.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/d7525a70ed9abb50543211e6e6172edc/kegarisepuzotupajanudag.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/posavujokajilimuxebub.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/tupamowewe.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/ragonolobigekuzovane.pdfIn PDF document text
  • https://posh.hr/files/83990087528.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/wuruvobanamepag.pdfIn PDF document text
  • https://norservis.com/files/files/wagulewilovovelutigulobuz.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/73704286653.pdfIn PDF document text
  • http://hhoasis.org/app/webroot/img/fck/file/wabazaxategaxivejezanaja.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/85331966626.pdfIn PDF document text
  • http://kk-gorenjska.si/uporabnik/file/33398411495.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/lslhsif6s183mf1mhugej20f95/6334612.pdfIn PDF document text
  • http://flardochform.se/userfiles/file/45811335181.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/wewarotuxelofisasotoxata.pdfIn PDF document text
  • http://simpelms.nl/userfiles/files/zamawe.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/96197308041.pdfIn PDF document text
  • http://sandsflooring.co.uk/ckfinder/userfiles/files/10119061890.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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