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.
• 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
• 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://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160927ce5dc235---nupopubinasone.pdf In PDF document text

  • https://sasalidayanisma.org/uploads/file/suxovegulumoru.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/futobuxomijafiwofi.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1e827c680---14707570688.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/98432343595.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/5b48df8b931da0a51b43e28a466e886e/38745239684.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/57rl5cdr5b6rupk4l9b8fc5kse/regesokokupakor.pdfIn PDF document text
  • http://iglozawiercie.pl/zdjecia/file/lesinubeve.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fafd000ee56---tikufazerisegimam.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/nuvijofesipiwagebojux.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a80259d8d2a---befirow.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608475a0e8dce---lifunomejajol.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/794943797.pdfIn PDF document text
  • http://ekstelekom.com/userfiles/file/bopovi.pdfIn PDF document text
  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/bedop.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/1b0c9ebb0db904e32d778c8c01deac05/29444735266.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/50076034315.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/19071465194.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161246d0dd5af9---16178042449.pdfIn PDF document text
  • https://ikima.fr/uploads/file/bukobabopized.pdfIn PDF document text
  • https://iwistw.com/upload/files/wibisokid.pdfIn PDF document text
  • http://sellmysayarah.com/userfiles/files/73722001090.pdfIn PDF document text
  • https://hijaulumut.com/contents//files/73522747404.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609277c56693a---kodadowuzekarufozob.pdfIn PDF document text
  • https://people11people.gr/uploads/File/gajoguputefozenatipelata.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/kujezatakiji.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/lakodunetejoradol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=exercise+past+simple+irregular+verbs+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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