Malicious PDF — malware analysis report

Heuristics 4

• Fake 'free download' SEO-poisoning PDF critical PDF_SEO_FAKE_DOWNLOAD
  The ML classifier flagged this PDF AND it carries a visual download/call-to-action lure AND an off-domain server-side download-gateway link whose query string names a document payload. This three-signal conjunction is the fake-document / 'free PDF download' SEO-poisoning delivery pattern: the page is padded with benign decoy links to dilute classifier scores while funnelling the victim through the gateway to malware/scareware. Acting only on the conjunction keeps benign download-bearing PDFs from being misflagged.
• PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARM
  PDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://uncpbisdegree.com/download3.php?q=validating-identity-user-guide.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=validating-identity-user-guide.pdfIn PDF document text
  • https://www.activiti.org/userguide/In PDF document text
  • http://www.th.gov.bc.ca/forms/getForm.aspx?formId=1319In PDF document text
  • http://www.dotnetcurry.com/aspnet-mvc/1229/user-authentication-aspnet-mvc-6-identityIn PDF document text
  • http://hsqldb.org/doc/guide/guide.htmlIn PDF document text
  • https://www.incommon.org/iamonline/In PDF document text
  • https://www.leosaarmy.com/forms/926CRetireeApplication.pdfIn PDF document text
  • http://apps.winshuttle.com/docs/transactionSHUTTLE_User_Manual.pdfIn PDF document text
  • http://riverside-resort.net/1/understanding-image-resolution.pdfIn PDF document text
  • http://riverside-resort.net/1/silberschatz-galvin-operating-system-concepts-8th-edition-manual-solution.pdfIn PDF document text
  • http://riverside-resort.net/1/solution-manual-bioprocess-engineering.pdfIn PDF document text
  • http://riverside-resort.net/1/the-reckoning-rennie-airth.pdfIn PDF document text
  • http://riverside-resort.net/1/turbo-400-transmission-repair-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/sony-pcv-rx490tv-desktops-owners-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/uganda-national-examination-board-timetable-2018.pdfIn PDF document text
  • http://riverside-resort.net/1/the-actor-ways-and-means-theatre-arts-book-2nd-edition.pdfIn PDF document text
  • http://riverside-resort.net/1/top-notch-2-workbook-answer-unit-10.pdfIn PDF document text
  • http://riverside-resort.net/1/study-island-answers-for-sci.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/digsig_user_guide.pdfIn PDF document text
  • https://developers.google.com/identity/protocols/OpenIDConnectIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/introduction_identity-management.htmlIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/index.htmlIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/introduction.htmlIn PDF document text
  • https://developers.google.com/identity/protocols/OAuth2UserAgentIn PDF document text
  • https://helpx.adobe.com/acrobat/using/validating-digital-signatures.htmlIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/access_controlling.htmlIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/access.htmlIn PDF document text
  • https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.htmlIn PDF document text
  • https://www.gov.uk/government/publications/identity-proofing-and-verification-of-an-individualIn PDF document text
  • http://www.gnupg.org/gph/en/manual.htmlIn PDF document text
  • https://www.adobe.com/devnet-docs/acrobatetk/tools/DigSig/Acrobat_DigSig_WorkflowGuide.pdfIn PDF document text
  • https://www.cisco.com/c/en/us/td/docs/security/ise/2-2/upgrade_guide/b_ise_upgrade_guide_22/b_ise_upgrade_guide_22_chapter_011.htmlIn PDF document text
  • https://www.cisco.com/c/en/us/td/docs/security/ise/1-3/cli_ref_guide/b_ise_CLIReferenceGuide/b_ise_CLIReferenceGuide_chapter_0101.htmlIn PDF document text
  • https://developer.apple.com/library/content/navigation/In PDF document text
  • https://matomo.org/docs/In PDF document text
  • https://www.makeuseof.com/tag/tackling-firefox-the-unofficial-manual/In PDF document text
  • https://www.hidglobal.com/government/pivIn PDF document text
  • http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409In PDF document text
  • https://go.microsoft.com/fwlink/?linkid=868922In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=617297In PDF document text
  • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

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