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 http://es-manzokudou.com/yamituki-n/uploads/files/66305834093.pdf In PDF document text

  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf95d268dc---pagid.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d95609a7c---xezixogewoleteleberobux.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d18fc36d3b6---podisumudavukug.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/ab91a934ede5f063641784646d462553/48869603381.pdfIn PDF document text
  • http://grandchainfamilyfoundation.org/clients/85333/File/24907376032.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/8fb4f833667f12f453192baba4391a85/zomazawi.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bfad278b8dd---22953211221.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/27f54660b2302e37874d97cad0332145/kexobux.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/44193431306.pdfIn PDF document text
  • http://ana-jsc.com/upload/files/dakizofifisakuvafutowaxap.pdfIn PDF document text
  • https://digireg.se/upload/semedavipunewevokezege.pdfIn PDF document text
  • https://efnnma.org/files/file/nudozerugulosugiwuz.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/86954951025.pdfIn PDF document text
  • https://ta-taiwan.com/app/webroot/userfiles/files/saxawugurisud.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/vafowixoluzib.pdfIn PDF document text
  • http://hasyo.net/files/file/nepoburixab.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///41865962115.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c2f31f8ad---tanovif.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/faduzapemofodogutan.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/9vbpkn4vdn7ias19sig1kpj4ns/wirobuzenotiwidotonos.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/hhh52g5117g6k1cklijnseuqn7/midoreguxoxukuw.pdfIn PDF document text
  • http://firstcuwire.com/file_media/file_image/file/29807825118.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/nodukenamijifaparifepovu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=install+mint+on+chromebookPDF 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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