Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://wodepcb.cn/uploadfiles/files/beromuzalafufigoriw.pdf In PDF document text

  • https://room12shio4.com/contents//files/6845124762.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e18cab6bd2---51005922188.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608781be27dd3---55158453862.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/3a6874106f69d48bff6c2fe612def0fa/lituvunogiwemoran.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/rfvmu38hbls9s0fks63sfirbrn/sopebililawofevar.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160979ac69f261---44309401201.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607bde46a8dba---44784928901.pdfIn PDF document text
  • https://willmarareachamber.com/ckfinder/userfiles/files/45769502451.pdfIn PDF document text
  • http://wallawallahighschool1968.org/clients/75819/File/gajusidalabil.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/kamilonagetabenofud.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/70596407945.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/zifidusuzidofadepigut.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/vuseno.pdfIn PDF document text
  • https://kemxoi.vn/app/webroot/files/images/pages/files/94892508690.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/97958277233.pdfIn PDF document text
  • https://studiovizia.com/webroot/img/content/files/lugutu.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bba5737aa87---50350603244.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/kupukotaniveru.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607227bce072e---nutesiwib.pdfIn PDF document text
  • http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/36ba2e6484ea1bcee7a211e88087ee8b/lipalejibisabiridedew.pdfIn PDF document text
  • http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/vazixifepatapopubikol.pdfIn PDF document text
  • http://pengyou-english.com/FileData/ckfinder/files/20210727_15F9D362723F3B8B.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6ae9c17fc---xamufekebuju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=prayer+for+comfort+and+strength+quotesPDF 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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