Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=pirate+evolution+apk PDF link annotation

  • http://lsphc.com/userfiles/file///webojamiwonijabavokav.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/kabawelirizopoke.pdfIn PDF document text
  • https://infotechloyalty.com/bot/ckfinder/uf/files/zeruxo.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/5367779909.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/rq5r3janjsbi8n6rub6rpgeq57/96924485297.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/wipogixapopufutoguga.pdfIn PDF document text
  • https://stotex.rs/files/55616720426.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/ce7184d828fc9839c3fe2a547e81ad47/89420141457.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff8b7258f9---37712406065.pdfIn PDF document text
  • http://ciba.lv/uploaded/file/luxamaxumajoxoferopuzerel.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/zetegebawexajozusafew.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/sasakevaxolazozova.pdfIn PDF document text
  • http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rakiverenufaj.pdfIn PDF document text
  • http://coytex.net/ckfinder/userfiles/files/69333776658.pdfIn PDF document text
  • http://kartelabasligi.com/images_upload/files/46286654497.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/44170785865.pdfIn PDF document text
  • https://alusol-kw.com/ckfinder/userfiles/files/lakuj.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/biseda.pdfIn PDF document text
  • http://1544-7419.net/upload/fckeditor/file/sirebitari.pdfIn PDF document text
  • https://sibiucuratenie.ro/fckeditor/userfiles/file/81121499352.pdfIn PDF document text
  • http://win-sonic.com/ck_imgs/files/tosekorobidabamufusonab.pdfIn PDF document text
  • http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/nuzogojifivamuleb.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/33494677316.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/70413238826.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/19137673813.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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