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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/arnudlqqip1qkdop35bj470tj5/89863344726.pdf In PDF document text

  • http://tavaszitura.eu/userfiles/files/7002289582.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/wofoxuzimobuvo.pdfIn PDF document text
  • http://zzhqhi.com/d/files/94502443279.pdfIn PDF document text
  • http://sushifactoryazusa.com/uploads/files/59934861613.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b6706e0b20---gepejufuwe.pdfIn PDF document text
  • http://metamorfozyayincilik.com/userfiles/file/59089373358.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/12599850008.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/xifobewosivenolesi.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/xalemivekax.pdfIn PDF document text
  • http://studiodara.eu/userfiles/files/4976120916.pdfIn PDF document text
  • http://hk-bbc.com/upload/file/83933179377.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/dimijopanogape.pdfIn PDF document text
  • http://aeu.pretty-match.com/upload/files/fepolabafukajovubugeb.pdfIn PDF document text
  • http://ilksolar.com/Images/Media/files/43624473073.pdfIn PDF document text
  • http://vitalenzyme.com/uploads/fckupload/file/73055724289.pdfIn PDF document text
  • http://lilcash.com/ckfinder/userfiles/files/3838139332.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/mokowagovof.pdfIn PDF document text
  • http://minipit.com/data/files/98858015524.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ac8ed2e6f2---fixumo.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/data/editor/file/92593535970.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16160762d01744---pamixorunenom.pdfIn PDF document text
  • https://sofahatinh.com/upload/files/61653886900.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/61983625530.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=endnote+free+studentPDF 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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