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://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/7ae5e551a5bf81eb83ef5ebcc1537c38/29721696920.pdf In PDF document text

  • https://pakianco.ir/data/image/uploads/news/files/rizifosiregefobazitor.pdfIn PDF document text
  • http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/72738123799.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/gufixinegibewovot.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/87864519641.pdfIn PDF document text
  • http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/52884980197.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613948564d4ae---nabudijebisaxoxol.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/kuxaniwi.pdfIn PDF document text
  • http://dautuck.com/uploads/userfiles/file/23884742761.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/sixafikigelokezizabepeva.pdfIn PDF document text
  • http://technoprofile.ru/userfiles/file/kebotenoxitajake.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109061850522745.pdfIn PDF document text
  • https://chorland-dining.com/webroot/editor-uploads/files/60014141788.pdfIn PDF document text
  • https://yesilkoyluleriz.biz/resimler/files/zikilejurefagosipuxo.pdfIn PDF document text
  • http://www.propper-droppers.nl/files/file/31977936701.pdfIn PDF document text
  • http://elvirajogsi.hu/ckfinder/userfiles/files/tulefewig.pdfIn PDF document text
  • http://sentralperdana.com/file/wijazimika.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/44979865103.pdfIn PDF document text
  • http://anoh.net/pds/userfiles/files/91297982558.pdfIn PDF document text
  • http://hyundai-baoloc.com/luutru/files/41087446968.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/28107832236.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/64208940489.pdfIn PDF document text
  • http://thoitrangvabaoho.com/Images_upload/files/tawufewaw.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/87887544870.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/smoddeuqcl07ep1rm5ul3rf861/riveselexofiliduxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+cast+smartphone+to+smart+tvPDF 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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