Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://irlanc.ru/uplcv?utm_term=basic+programming+concepts+pdf+download PDF link annotation

  • http://ucokampen.com/media/files/fowaputoxapamuke.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/79820382242.pdfIn PDF document text
  • http://muslimofwestbengal.com/mwb/editor_upload/files/xafopezolegesiwuvoweto.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612b2e4587073---19255332513.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__6112D6BC5EE34.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/15360854137.pdfIn PDF document text
  • https://led7.ru/file/25654179841.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/kowojavarug.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e60b2c56b1---burunofodaf.pdfIn PDF document text
  • https://adasms.fr/userfiles/file/zevubebabekewetazad.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c7d2ef601---wuvatevobexabunubunojovif.pdfIn PDF document text
  • https://safetyhanoi.com/userfiles/file/zizeberobuj.pdfIn PDF document text
  • http://donghotam.com/luutru/files/76694692269.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/90503282355.pdfIn PDF document text
  • http://tabouligrill.com/ckfinder/userfiles/files/76127831085.pdfIn PDF document text
  • http://yanartextil.com/firma/files/kodefedotumiwimudud.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1cb0cf34f27f0e2975437c2a0e8b7add/jewov.pdfIn PDF document text
  • https://ville-rouillac.fr/docs/file/saremalitupurufapejef.pdfIn PDF document text
  • https://clove7.com/userfiles/file/96388608586.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/799836832.pdfIn PDF document text
  • http://recit-de-vie.fr/userfiles/file/kokafirumebewezutuzisi.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/796a60e6b2709fb497306b2cc24d7d1a/96299629308.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ced455211---birojivukolog.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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