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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://infrive.ru/uplcv?utm_term=best+korean+games+for+android PDF link annotation

  • http://medicom.pl/userfiles/file/nevetoxu.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/dixalivurumojepexuden.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/ragelaxazeradevalijufaz.pdfPDF link annotation
  • https://acavacecio.it/userfiles/files/57035184021.pdfIn PDF document text
  • https://advik.net/userfiles/file/20758668853.pdfIn PDF document text
  • http://peaceinsrilanka.lk/ckfinder/userfiles/files/41075321017.pdfIn PDF document text
  • https://editions-tlp.fr/ckfinder/userfiles/files/91941607797.pdfIn PDF document text
  • http://artetendasud.it/userfiles/files/58103584570.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/nuxisuna.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/99148248321.pdfIn PDF document text
  • https://commonwealthsportsawards.com/userfiles/file/1015613430.pdfIn PDF document text
  • https://oncetrabzon.com/resimler/files/67782057567.pdfIn PDF document text
  • http://sushistoryus.com/uploads/files/73231616008.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/57230513254.pdfIn PDF document text
  • http://bud-med.eu/userfiles/file/jiremu.pdfIn PDF document text
  • http://massimomoroni.it/userfiles/files/48168241028.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/48383500031.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/voveviwezepola.pdfIn PDF document text
  • https://seedomoretravel.com/files/files/xixukufuxojefojepatovopu.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/de833h3c5vo4lu8k97vdlchdp4/6912916557.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142fb055e477---97332999680.pdfIn PDF document text
  • http://archive-2014.humandoc.pl/attachments/file/87210184708.pdfIn PDF document text
  • https://serrechevalier-skifun.com/imagesfile/lugopoluvaruxipiroxazaf.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614109226538f---46064503051.pdfIn PDF document text
  • http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/70756700258.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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