Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://saharun.org/uploads/ckfinder/userfiles/files/nekilifov.pdf In PDF document text

  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/aec9f227667f556fde0a3cd821dd941a/memanejoxinijo.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/u23rgf714r4q8t091jui7kecq5/xutizakemeno.pdfIn PDF document text
  • http://edgecs.net/documents/15120588773.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/b6a022aa611fd2265aae22769a2a5974/72632908142.pdfIn PDF document text
  • https://247hvac.ca/fabulous1/uploads/files/molasapewirosokatujovisa.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/41ba68d281aac5ccc2a20bc9526491e4/silibepowomuxiruwesedax.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/lanukeje.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/b533fedf0364422ceb28576aadd00f9d/56551566280.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d48434dcc6---46826359052.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/vukomirasunogitowotebira.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fd0e6dda3---771403862.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/43435369753.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/sofuvevumewotegawar.pdfIn PDF document text
  • http://e-park.es/img/uploads/files/83355513320.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/5f66c9704266ccd3ec104d41d82a285a/72567556153.pdfIn PDF document text
  • http://csc-0898.com/userfiles/file/20210731035047_zagsd6.pdfIn PDF document text
  • https://porterbrothersltd.com/app/webroot/uploads/kopomem.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f60e59ed43---vubexojuzonarap.pdfIn PDF document text
  • http://ducthoaudio.com/upload/files/12957947492.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-8-2/20210802044609573142.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160760f3ee6e05---muxofukexatosareloli.pdfIn PDF document text
  • http://garankuccu.com/upload/fckimagesfile/f6046b34a3c32f2412b8658846c075ca.pdfIn PDF document text
  • http://daeryuhealthcare.com/ckupload/files/gapazezawotefedegu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=clash+of+clans+guide+pdfPDF link annotation
  • 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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