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://infrive.ru/uplcv?utm_term=facebook+photos+download+android PDF link annotation

  • http://joomlacode.org/fckeditor/editor/filemanager/img.php?file=file/2634150108.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/67143520404.pdfIn PDF document text
  • https://n-v-v.dk/userfiles/file/jebedomimuribago.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210911190915.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/sudokat.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/0462f309017a274c447759bb5a389923/bogijurabajeranikef.pdfIn PDF document text
  • https://lenaoyunlar.net/calisma2/files/uploads/kejanog.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/dusemivod.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/jebime.pdfIn PDF document text
  • http://vucert.vn/uploads/files/91140133984.pdfIn PDF document text
  • http://africareview.in/userfiles/file/80041412529.pdfIn PDF document text
  • http://www.hebrewforreadingcomprehension.com/content/fovofejogixudarixuduba.pdfIn PDF document text
  • http://hanabi-la.com/uploads/files/58210084902.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/pebilu.pdfIn PDF document text
  • https://hotararicedo.ro/files/files/junaguzumijonikerijir.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/jidukigakajagomeluju.pdfIn PDF document text
  • http://4els.ru/uploads/images/files/2970871778.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/72517659903.pdfIn PDF document text
  • http://kcpsystem.com/userData/board/file/22807528465.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/45567811290.pdfIn PDF document text
  • http://hidropro.hu/upload/88256903097.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/68789349061.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d1ddcaf76---35096618773.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132cb181af79---8996871349.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/fe5ed95cd6323770b12ee606c0c1bb03/6893862790.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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