Malicious PDF — malware analysis report

Heuristics 6

• 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://nhsclassof77.com/clients/c/ca/caa0b9827732345dad94809623212052/File/losekemesepewibojisemuku.pdf In PDF document text

  • http://18554080.com/userfiles/file/59221837480.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f7857b6b5---lobedawuwawibunakisa.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/9c8b764db6e3d76f8bb4da13955b0591/28344316365.pdfIn PDF document text
  • http://moffatcountyhighschool65.com/clients/878592/File/sovegekavam.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/q8srgho2m63arqlikuqd070nmd/97089659645.pdfIn PDF document text
  • http://tjjjsh.com/uploads/files/sulufirabidenidodanu.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/poditak.pdfIn PDF document text
  • https://cpc-serbia.org/js//files/muvonelonibamasar.pdfIn PDF document text
  • http://autavrabek.cz/obrazky/file/wotunusa.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ochpplc5ea32nj7psdcs0q4e5n/kugemevewomofuwi.pdfIn PDF document text
  • https://wagaskar.com/media/datowezimugixek.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b470225de1a---73311586163.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/30690242882.pdfIn PDF document text
  • https://bselink.com/userfiles/file/xidopobusapet.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/diwowudojejadufujug.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a3c39acfc---nikorarikisi.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/242127f8ee8393001bfe0cc96678e3ae/kevejitiwasuvevizi.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/48265557689.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/ce194e7e7fb75e1ff7bea2bf5a9758d4/9206486788.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/11595244914.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/eb1f7423a43178d63c7b2d1f8faa81bd/50803325785.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/1e58d82f941f4cb8218984691a0d45b4/pikelolupe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=can+a+drill+sergeant+hit+youPDF 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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