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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• XFA form low PDF_XFA
  PDF uses XML Forms Architecture — can contain script logic
• 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://chapraptti.org/userfiles/file/somojopunugazubawefe.pdf In PDF document text

  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16082aac1b2458---15062203903.pdfIn PDF document text
  • http://vce34.ru/attachments/file/wezujosewunutatotasan.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/67261905728.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160720390693ab---7898350170.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/7cfde06ab2bd774571ca1ef1b59abc5c/23320874437.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/goritutireburo.pdfIn PDF document text
  • https://geya99.com/ckfinder/userfiles/files/vonujomer.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/7039888625.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/45837386944.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/5bbbeba6ba7316247033e0254b429961/dosibel.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/sewixarixaneku.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160841e326fbd3---46715124018.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/71810466031.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/qjshtu40cb7cfu1qdurnciio6i/mutedi.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/wavanuvuzotajavadupaw.pdfIn PDF document text
  • http://csc0451.com/userfiles/file/20210719123342_mp8z4w.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/53398166148.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/re4u1t69b8alqp8oit6tj98505/betadovezamuzelupiw.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/xalabexakupapid.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4f132981---bulivumewefovebuxen.pdfIn PDF document text
  • http://acevina.com/webroot/img/files/nikevigor.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/56376794359.pdfIn PDF document text
  • http://qqsbg.net/uploads/file/15488082942.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a82aec3ca51---lakigewupavepusiratuguk.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/jutafexediliv.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/24444078418.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=shrek+forever+after+full+movie+part+4PDF 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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