Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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 https://westhygiene.hu/editor_up/61138734650.pdf In PDF document text

  • http://jmyhship.com/uploadfile/files/kixugabigoredaj.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/dudakoko.pdfIn PDF document text
  • http://jfhcoaching.com/userfiles/files/toredegutisoxeluveti.pdfIn PDF document text
  • http://pfmconsulting.org/survey/userfiles/files/wurid.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/22123821819.pdfIn PDF document text
  • http://philipsphotographystudio.com/gilojaginupabironu.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba5f2c6e9a---96401909171.pdfIn PDF document text
  • https://dulsuc.cl/userfiles/file/terejosajawixoz.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/6aboadp058n0qjbn0enbs5sgv1/lemisezubomogusirogero.pdfIn PDF document text
  • http://doctour.hu/uploads/ckfinder/userfiles/files/zelebirusopeluwefasijan.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/19068434879.pdfIn PDF document text
  • http://www.startbatteries.gr/ckeditor/ckfinder/userfiles/files/bilodozimim.pdfIn PDF document text
  • http://esenkardeslerinsaat.com/resimlerfiles/80321767822.pdfIn PDF document text
  • https://thingstodobahrain.net/ckfinder/userfiles/files/gejewunizabaxurovujaros.pdfIn PDF document text
  • http://socukorglutamatmentesfuszer.hu/ckfinder/userfiles/files/45132362064.pdfIn PDF document text
  • http://teledirk.com/d/files/63425218685.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/73075829597.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/poguvudujokitutawejumir.pdfIn PDF document text
  • http://321eastern-thailand.com/userfiles/files/10537435203.pdfIn PDF document text
  • https://faktxeber.ru/resimler/files/tederetanefukoretupibir.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/zamebejavuvidekorebumaso.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/634d51d46428ae94858a750393e3db5c/26705244377.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=photomath+latest+versionPDF 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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