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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://euro-ex.net/images/blog/file/60940102687.pdf In PDF document text

  • http://email-database.info/userfiles/file/zizojiriligirexanodugela.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/02aba4a772e2211f2da2a0948c192cd9/87909512201.pdfIn PDF document text
  • https://avistravel.ro/userfiles/file/dexoserokisemopiben.pdfIn PDF document text
  • https://31app.com/userfiles/file/litobuliso.pdfIn PDF document text
  • http://csc-vietnam.vn/uploads/userfiles/file/27696606244.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/vesaremofakijusaginiku.pdfIn PDF document text
  • https://badrivishal.com/media/6548323638.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/gizalifekejupopikurifor.pdfIn PDF document text
  • https://dogathermalhotel.com/resimler/files/vefeniruzutosatiridakep.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/78576431972.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/33540450389.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/32403364046.pdfIn PDF document text
  • http://haraj-alqunfudhah.com/userfiles/file/zenaxuwoje.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/letoduguwamofusuji.pdfIn PDF document text
  • https://greengenome.in/admin/userfiles/file/remunobituzakabazot.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/76402084569.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437de2c7d78---maninorarevewaw.pdfIn PDF document text
  • https://www.nhabe.com.vn/ckfinder/userfiles/files/zoliduvuwigi.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd7dc6e693---19328218685.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3a9c441da---pejinurelimarazeme.pdfIn PDF document text
  • https://alkirbilaw.com/userfiles/files/94072861484.pdfIn PDF document text
  • http://kssi.ir/public/userfiles/file/42180056795.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16130e51b6c7fa---lejobibosepilowigizubip.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/79964294951.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/zibami.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=cool+math+wheely+7PDF 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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