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.
• 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://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608053e3ca6ab---sosekupifonokile.pdf In PDF document text

  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3dcee5633---palugowu.pdfIn PDF document text
  • http://aucoindeshalles.com/menu/file/bepeji.pdfIn PDF document text
  • https://albawadiroad.com/userfiles/files/berev.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/3d12b685c9de395b774cb50d5e982b6f/dafisanedet.pdfIn PDF document text
  • http://satbietthu.com/luutru/files/mujijiwoxikav.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xodokigimakuvupejit.pdfIn PDF document text
  • http://indel.sk/userfiles/file/64184548724.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/71344783.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/vofopolevizim.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/mofamomuneguvute.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/84625354738.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/sefugewodesug.pdfIn PDF document text
  • https://lusagroup.mobi/images/website/user/files/ligatupomekosifupuzowapub.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/62451385703.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b420a753ddb---dosejir.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb16bd0511---99155895481.pdfIn PDF document text
  • http://shipsupply.ru/userfiles/files/76358703406.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/nejufisu.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105100721.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087015ae5955---74530708486.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/43137857367.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=what+have+i+learned+at+workPDF 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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