Malicious PDF — malware analysis report

Heuristics 5

• 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://cafepiolho.com/uploads/assets/wikota.pdf In PDF document text

  • http://dcbestwings.com/uploads/files/77957743864.pdfIn PDF document text
  • http://expresskaliski.info/file/jexuwabateseluke.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/d11b25fdc35bd44f9330dbd0d9c28381/lozimu.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ad0f0ac58---95766657137.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a82325274---54335434520.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6f9c2eb92---luxafiwogotebaz.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a36011c3cc0---83818378047.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/42444470695.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/o26egg9sk8jgqf2pbmauukf33r/zutomowudalalaveb.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ah1de59nkgrpnke9cjucji10dk/13836257916.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/wudoxin.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d2aec4da3---61146394378.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec5f3c642c---16762406789.pdfIn PDF document text
  • http://caycanhtuyhien.com/uploads/image/files/fodowugaxinuvefefejegu.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/bls84o5t13ud52rqs28u59bkdu/vimufadofezedojoramu.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607da60758814---37283434044.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdc46cac20d---39853522588.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16094922a7814e---74945398262.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/9004567652.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/bugizofanitazilixoderipiw.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tdrjhc3c7698u6641bf5cngld5/jalurivus.pdfIn PDF document text
  • https://guapa2.com/admin/fck/file/fomekerigomitetezejavu.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/39226671367.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f34774ecd6f---98098692811.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=kinetic+and+potential+energy+questions+and+answers+pdfPDF 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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