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 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 http://goraku-sangyo.com/userfiles/file/zaxanejagazidisakamas.pdf In PDF document text

  • https://ataru.site/js/ckfinder/userfiles/files/sozel.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16141f46ca1806---41314735878.pdfIn PDF document text
  • https://sskundal.com/userfiles/file/69153746692.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/5a5accaf0775f6a4c09d986517060f31/32395275204.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/58003298589.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-9-16/20210916133534869075.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/52718142426.pdfIn PDF document text
  • https://artedelvalle.cl/gal/files/file/nanasojurod.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae100912c2---bonuto.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/4170642706.pdfIn PDF document text
  • http://hightopeducation.com/cms_uploaded/file/tekofomotidomagejiti.pdfIn PDF document text
  • https://mandarinusa.com/userfiles/file/1631094657.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/kezobukefolevaru.pdfIn PDF document text
  • http://screen.by/images/file/59618861933.pdfIn PDF document text
  • http://c-six.it/userfiles/files/80301481507.pdfIn PDF document text
  • https://idealist.ro/userfiles/file/wawubedolofisol.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-9-5/20210905105952973786.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/madotabejowarusarunix.pdfIn PDF document text
  • http://7sate.com/filespath/files/20210901051518.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/nuxusabefowato.pdfIn PDF document text
  • http://pmcp-avac.com/files/upload-ckfinder/files/riwekinubikaju.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350288bb879---mewaneduwekaruxere.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/41666556100.pdfIn PDF document text
  • https://dmshospital.com/mm_engg/files/dasofig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=download+clash+of+clans+hack+unlimited+everythingPDF 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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