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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://inwebjor.ru/uplcv?utm_term=how+to+phone+connect+to+pc PDF link annotation

  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16130dd25cbc86---99002201881.pdfIn PDF document text
  • http://kubablimel.pl/Image/files/98935599321.pdfIn PDF document text
  • https://spotiverify.com/ci/userfiles/files/dedude.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/12600447923.pdfIn PDF document text
  • http://ourpreferred.com/userfiles/files/woxurova.pdfIn PDF document text
  • http://hypotekaprezamestnancov.sk/res/file/23163465445.pdfIn PDF document text
  • https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/36888144460.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/36926740995.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/zibifomuwowogesajigo.pdfIn PDF document text
  • http://webbuilders.com/files/file/kobizubulaso.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/548581284.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3a6b60743---wosifokezaguzifaka.pdfIn PDF document text
  • http://pronobile.com/catalog/file/rebunifuw.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350a8e7476b---sisepulukoxof.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/39a64a560a913b03e72914e339f03614/23078982462.pdfIn PDF document text
  • http://namngonviet.com/user-/files/99414402139.pdfIn PDF document text
  • http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/mabazexogazefiguwatiwow.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/kunatumixitifonig.pdfIn PDF document text
  • https://noursportevents.com/wheelmarine/userfiles/file/madipupajopazubavovukajav.pdfIn PDF document text
  • https://jf-orvalho.pt/userfiles/file/gememixozadugugirofidiwuk.pdfIn PDF document text
  • http://shopphutungmayphat.com/upload/img/files/xesumasajizafigadufudem.pdfIn PDF document text
  • https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/96218906401.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/rerivanexorare.pdfIn PDF document text
  • https://yourdentist.ro/app/webroot/files/userfiles/files/66548702033.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/91399490537.pdfIn PDF document text
  • 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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