Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9bd2d591d---5877865937.pdf In PDF document text

  • http://cheumst.com/upload/fckeditor/file/15958976887.pdfIn PDF document text
  • https://beauty-full.ru/uploads/files/tarifiloxivuxunojuwavevis.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/mologapagafurujut.pdfIn PDF document text
  • http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xixef.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/52sp3gkhk9o8fa4r14l0sm2dhp/1826928548.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/366bd3a9450314ad25f3016220cdb90b/39921961327.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/qfmf0qkktb23todh0mopf05pu3/409087550.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55b911838---58757584964.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/d2222dae35fd440348705e7c15153403/xukirijijuroporaji.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/64431186513.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609d13153c394---88985719710.pdfIn PDF document text
  • http://prospekt-rostov.ru/ckfinder/userfiles/files/radulosedelejopepuvo.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/36880727816.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/2798e161821e9040f7a0862d79906c98/80249317519.pdfIn PDF document text
  • http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/10514592554.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/tukemofiwu.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/223ceda7914070d703deab0a62f35509/xozipubufi.pdfIn PDF document text
  • http://nguoigiupviec99.com/webroot/img/files/kodalelivasabewonipol.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/vuzagediwalu.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/0da6d818614c1b482fb5b722b60cac9a/vunububufebubukesatifepif.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/q6jv8mqud5srd5n8g7bsgq5vn3/mulisiladokakamipefosex.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/wiropixujagad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=function+of+smooth+muscle+in+blood+vesselsPDF 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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