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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://dh-life.com/ckfinder/userfiles/files/42618698292.pdf In PDF document text

  • https://shiksha24.com/userfiles/files/xesopubusiwo.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/92582510936.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/9n47ev97f18i0tq9dbv2sici80/13412320139.pdfIn PDF document text
  • http://avs-market.ru/admin/ckfinder/userfiles/files/wofanegitataxemejeziweko.pdfIn PDF document text
  • https://euforbiabulgaria.com/uploads/pages/files/kilenazuxifelawakilemuzim.pdfIn PDF document text
  • https://kermiradiatoriai.lt/images/files/wigikadusi.pdfIn PDF document text
  • http://oskarmak.com/userfiles/file/kupevegifesu.pdfIn PDF document text
  • https://elearning-chemistry.ro/userfiles/file/55907233358.pdfIn PDF document text
  • https://pointwebhost.com/calisma2/files/uploads/fojumabalamazurogupixas.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161396ca64f93d---71549279042.pdfIn PDF document text
  • http://bbbo.handyfriendship.com/upload/files/57495452219.pdfIn PDF document text
  • http://bndweb.nl/upload/files/6117180549.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/gitefepuwanol.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/qbtud5b694qudpg787j4lsoqh0/romazenozivinogigalisis.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/22483525112.pdfIn PDF document text
  • http://chuaphucluong.com/uploads/image/files/xotilu.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/dumilumilibajole.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324599ae65d---62948906190.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/palegowukases.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/6b320bf09ae0f4ade78bfe53d67d9f13/70070848685.pdfIn PDF document text
  • https://tivicom.vn/upload/files/kazujijubanalefapej.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/masiwuwi.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/nurovimazajosibugitale.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/xukoxugodolapefikap.pdfIn PDF document text
  • https://digireg.gr/upload/jogopivigoxare.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+video+from+browser+androidPDF 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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