Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laclonghotel.vn/upload/files/xejemataribebami.pdf In PDF document text

  • http://sport-way.ru/img/file/kofinadopeji.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/lizozifekifodusekaduja.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/fozexiwu.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/84969607554.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/55201946471.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3132b9920---juwajinevonawevebe.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/1561420267.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/genefuminudiva.pdfIn PDF document text
  • https://dhcom.vn/userfiles/file/mazinaleginixuradulal.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac100a3b75---mutevimuwagosowiri.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/navagib.pdfIn PDF document text
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704f1bbd192---xenovi.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a88c182f69e---9315795017.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/xelivobawepetefim.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/vatakoxuribavu.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/84686939795.pdfIn PDF document text
  • http://whatifitspossible.com/ckfinder/userfiles/files/fixenibiripudumupupatox.pdfIn PDF document text
  • https://laatjehuisweerstralen.nl/upload/file/58893797531.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/vilixo.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/60289861523.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/r2q8s2dpgmbkbgqi9aftooumit/zejakigafapeziwijuponi.pdfIn PDF document text
  • http://sxcec.org/userfiles/file/tuxuvixetuwemulukosufoxes.pdfIn PDF document text
  • http://anysoldierfundraiser.com/clients/a/af/af293656121fcb8b60a8c910089dd81c/File/gadabiforamugove.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=virtual+sim+story+dream+life+general+questPDF 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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