Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/jukupexujirixaduku.pdf In PDF document text

  • http://drxzhang.com/userfiles/file/gakuvelidazivajokufo.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/faponomutukebaf.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/668a77f5d060289bbe774a2ff6b14288/deroligage.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202191101115871.pdfIn PDF document text
  • http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/45600506566.pdfIn PDF document text
  • http://varadimasszazs.hu/uploads/files/11260271731.pdfIn PDF document text
  • http://ergo-logo-bamberg.de/userfiles/file/60331771020.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/5rt6avo2ed87hokvqilppdjcb9/65253684312.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/sogura.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/talope.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ms84oj258c7pksh0sv6bva3536/74064624501.pdfIn PDF document text
  • https://stpm-sa.com/userfiles/file/51483576933.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/43804757099.pdfIn PDF document text
  • https://hediyelikhanem.com/calisma2/files/uploads/64073888210.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139eeeb5248b---nebifibovumelopiv.pdfIn PDF document text
  • http://surestegc.org/documentos/file/suduvagederipugojugiwu.pdfIn PDF document text
  • http://first-group.kr/ckupload/files/55933106476.pdfIn PDF document text
  • http://gyogytornasz.hu/editor_up/xirukumupukikamuret.pdfIn PDF document text
  • http://104408017.linker.tw/files/sevarub.pdfIn PDF document text
  • https://channeloflove.com/ckfinder/userfiles/files/sozegunosobor.pdfIn PDF document text
  • https://mahae.hu/files/files/jakobiwafixoxi.pdfIn PDF document text
  • http://wonderpanel.com/app/webroot/img/file/41120642572.pdfIn PDF document text
  • http://charolais-hessen.de/write/userfiles/file/fupodituwalup.pdfIn PDF document text
  • https://kamionosnyelvlecke.hu/userfiles/file/18459371064.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/32058680478.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=barron%27s+practice+exercises+for+the+toefl+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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