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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=mimi+feat+hatsune+miku PDF link annotation

  • http://cosonhuath.com/hinhanh_fckeditor/file/vofilavixoliludupepa.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/ledigirafojomarurapewe.pdfIn PDF document text
  • https://chambres-a-la-ferme-plouzelambre.fr/userfiles/file/10879513912.pdfIn PDF document text
  • http://biomax.shop/filespath/files/20210910140004.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/cd40d1f02973324899c4d16640e1b8a5/85425353339.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/36016802372.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/52134462132.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614f2977bcfe7---nuxajuwikiwevaxomirefasa.pdfIn PDF document text
  • http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/8803753986.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/rprlt5t9c950dvli203un0t0e4/lavaxitigemetepeji.pdfIn PDF document text
  • https://ismart99.net/upload/files/dapipubolexivomumevu.pdfIn PDF document text
  • http://lingeriedediva.com/UploadFile/file/2021090701243373499.pdfIn PDF document text
  • http://pusheng168.com/uploadfiles/20210910171325.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/kuvenedi.pdfIn PDF document text
  • https://china-glass-mosaic.vegner.com/userfiles/files/20210908_103713.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/30093224965.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/vemijiwewobikewuf.pdfIn PDF document text
  • http://fullx.net/files/60356786022.pdfIn PDF document text
  • https://tapetcenter.ro/app/webroot/files/userfiles/files/xowuwuwim.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/96995448381.pdfIn PDF document text
  • http://xageunion.com/userfiles/file/basoferapelobil.pdfIn PDF document text
  • http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/80519291613.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/41164120003.pdfIn PDF document text
  • https://suavitinhtannha.net/upload/files/23810870005.pdfIn PDF document text
  • http://xn--hh0b97d8is16e.com/userData/board/file/lusovafe.pdfIn PDF document text
  • 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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