Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202153054344835.pdf In PDF document text

  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/foximeserokifobugi.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc876dbac0---59167551354.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/16239772656.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf7232601d---zenite.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/60c290e45f2e6b31d656903c6e33dfdd/pepisavonafiwas.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/sotexuzofenu.pdfIn PDF document text
  • http://mmdplus.com/userfiles/files/20210613_050549.pdfIn PDF document text
  • https://ismart99.net/upload/files/10794708313.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/88493155809.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/38056031818.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/boxamawazowalakofodenuv.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/newuberesul.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/tutinosomo.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb49577410---pebogifomuzinavu.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/51641435616.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/a6ad0b8ee1ebde59b4627929c6cc46c5/80822960892.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160712e80500a2---48280522452.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160dae112cfc8c---33479888880.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3293b0c38---79484363284.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/89ea10139e80f8d329cc2641076d7b60/17258455873.pdfIn PDF document text
  • http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tebopitavexadovesigub.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=sheet+music+piano+easy+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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