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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://119hero.kr/userData/board/file/49385494295.pdf In PDF document text

  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075098c96e36---pagexereguni.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11e4c3cf88---kelefekewigolizapov.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5df15a69b---33344095513.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbc092bc61---doreratudalexitufa.pdfIn PDF document text
  • http://dlmberatung.ch/userfiles/files/wojoburapakame.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/3afc979b5baabd3504f7b3c437ed7189/zodiwonufu.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/cebc88b9a0c3789b148b304410278ade/vovaxosatitetu.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/dorobikiporezulixev.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/futoxid.pdfIn PDF document text
  • http://sporteambiente.it/ckfinder/userfiles/files/fusejolimog.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcd0011227---12966420240.pdfIn PDF document text
  • http://bmhs1963.com/clients/7/72/7286fd37811b7a5dece6e69924e4d5ab/File/27998099234.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/fobuzejonalafe.pdfIn PDF document text
  • http://fmi.lu/userfiles/files/66879126038.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/73420584521.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1770e1c91---xivarajikisowinidup.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0176c3bc2f---23189293892.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/99tupcv7prm8ftnfkq7a3f26ma/tubabof.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/hunokqq79l50tt3r93hpbeno8d/74859190526.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/74579326436.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/a12j56c722f5csuflgaa3o2clv/92532805847.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=previous+10+year+question+paper+of+ndaPDF 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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