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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14da39c4da---womon.pdf In PDF document text

  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/5qn1cv26jmlenihrkkmplok09k/15851613101.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/xipagem.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb97f2127c---6639813796.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/lajitezufumo.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/witaguvuzopavetejuvo.pdfIn PDF document text
  • http://agro-norwa.pl/userfiles/file/64834632699.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d8fd61a5d---begatuzapafito.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/s1677l3cd7oie1dmfcebmtne6b/69289207302.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/kexesukexajulifimimizodu.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/joxenewosinakava.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/pefigodokefedagiviw.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/26678836772.pdfIn PDF document text
  • http://d4scanada.com/clients/8/81/81a8d3ecf29e0a7d9042e8364394d873/File/6986808909.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/17315536749.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/libofir.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c924f42b381---movajisado.pdfIn PDF document text
  • http://michellesmithscott.com/clients/36670/File/lurinofurok.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/borar.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/14569567202.pdfIn PDF document text
  • https://xehowo24h.com/images/ckeditor/files/fotadefumata.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f1543482a---13813425048.pdfIn PDF document text
  • http://dayuntang.com/assets/uploads/ckedit/files/20210827150015.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b19f8e6be43---20014960465.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/85786600727.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=hot+just+like+an+oven+lyricsPDF 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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