Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• AcroForm button with action trigger low PDF_ACROFORM_BUTTON
  PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
• 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://pistant.ru/uplcv?utm_term=codigos+de+control+remoto+universal+isel+u-59 PDF link annotation

  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/8a36c1151279edc403e1964011bd5ead/4036660310.pdfIn PDF document text
  • http://taxilitomerice.cz/ckfinder/userfiles/files/7169065938.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/164624339460a0dae41a79e.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d4912738a---98238896463.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/60276aa3c98a36f7bd392f7d946baf16/31406500559.pdfIn PDF document text
  • https://tourgardan.com/basefile/tourgardancom/files/xonojadojeze.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/4c955752cff89301052ae5e75d1b7fba/96292659374.pdfIn PDF document text
  • https://a5productions.com/home/a5pro/public_html/ckfinder/userfiles/files/wutesumidejuxozibadop.pdfIn PDF document text
  • http://agapetown.net/ckfinder/userfiles/files/kikuwafujedatela.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/2da6c7c551323a194d51ecd883c6ecb2/80817389178.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/konogoxumiba.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f41f035cc2a---marupojisodiluvo.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/de13418a6d64752eb07e187ba4d7b8a0/36853932105.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/bcc88aa473604d0018e7447e6de29170/30775496907.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.fr/userfiles/file/vopimamewi.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/24886682416.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/72645163665.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/tnnhqb8icj5714k82ahv69jbfd/52107478501.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d6c2e6a90---dusizesixibanalomezavu.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/25245429866.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/62e9e3f5d545c53f5c95a68693e105cc/refisukozatejovova.pdfIn PDF document text
  • http://cukrarska-vyroba.cz/UserFiles/File/tukotulumuvafulij.pdfIn PDF document text
  • http://maxbrio.kr/files/files/79940967186.pdfIn PDF document text
  • 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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