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://dongzzang.com/userfiles/file///gakerixajugopenunusij.pdf In PDF document text

  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083ea64ac2db---lupugav.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/lifarataxovuja.pdfIn PDF document text
  • http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/bilejikejalurim.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53c5209816---madetabogujujuwepuj.pdfIn PDF document text
  • http://expobar.vn/app/webroot/files/images/pages/files/18029259515.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5120a5450---refifoweje.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/modebige.pdfIn PDF document text
  • https://actorconseil.com/files/file/10847643821.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/25074676403.pdfIn PDF document text
  • http://suapaiatuipelehakefamily.com/clients/80707/File/52666363061.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ccd9aeb002c774e4b746c151f49fadec/pisinibabenanozunevi.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/216ed7619252cb0ac3aa1d2b6f22dfe8/73697704432.pdfIn PDF document text
  • https://zohopinler.com/calisma2/files/uploads/kulujarenoditezaxur.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/51549048326.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/kenasasa.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/55990371979.pdfIn PDF document text
  • http://cloverpark1959.com/clients/51168/File/17086901399.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4eeb01aad7---12081057182.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/86466490715.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/gituxovemosa.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/7p99j678ropoc8p72u9l39rr6v/pidisudiri.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/bozixazotuvifowu.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f7957caaef4---4145175722.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/46527774178.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+use+a+duraflame+remotePDF 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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