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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://huntic.ru/uplcv?utm_term=upgrade+w7+to+w10 PDF link annotation

  • http://arhive.np-sp.ru/img/file/22354411097.pdfIn PDF document text
  • http://lejonhund.com/upload/65484132199.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210910212309739436cnue3v.pdfIn PDF document text
  • https://yaofangpeixun.com/upload/files/94574897064.pdfIn PDF document text
  • https://spheresignal.com/app/webroot/userfiles/files/92941879159.pdfIn PDF document text
  • http://icsbc.ru/fuploader/file/mixutukuzuraxefagipedugin.pdfIn PDF document text
  • http://sdsenlex.com/upload/files/35829084585.pdfIn PDF document text
  • http://arunimaflavours.com/userfiles/file/fekavid.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/35832793838.pdfIn PDF document text
  • http://bannhuaduong.net/upload/files/32536309790.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/lofozu.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/sexutetuvisumesaji.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0614e5816---86685703204.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/0c5bdfe572ca1c6b646d3107f86cb613/mipegemabirigimu.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/8942287454.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16133c0e2e7813---dipelomewa.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135368c7f8fa---vukogapope.pdfIn PDF document text
  • http://tofuyatogo.com/uploads/files/77086450481.pdfIn PDF document text
  • http://quetthe.com/upload/files/nasipij.pdfIn PDF document text
  • http://mskabel.cz/UserFiles/File/lufid.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/nupepixexik.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/radovitazeluwuda.pdfIn PDF document text
  • http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/2512992023.pdfIn PDF document text
  • https://www.hkha.com.hk/ckfinder/userfiles/files/tefozapuxogig.pdfIn PDF document text
  • http://prasongp.com/file_media/file_image/file/76588717028.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/36211487748.pdfIn PDF document text
  • http://185.33.116.142/~bbyacht01/upload/files/36989776730.pdfPDF 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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