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://fu-xin.tw/uploads/files/202203190237589317.pdf In PDF document text

  • http://solarwindependence.com/ckfinder/userfiles/files/gejobikuxekipuvimuripek.pdfIn PDF document text
  • http://hudebninastrojedrastik.cz/js/kcfinder/upload/files/lidevolusixasokusav.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/162577a7383d46---bifaxijekisepexefusal.pdfIn PDF document text
  • http://knauto.com/upload/file///97454167393.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/b6abce00953119cb8a60e46df305f4f3/18451654892.pdfIn PDF document text
  • http://www.anpamedical.com/kcfinder/upload/files/ninome.pdfIn PDF document text
  • http://casms.org/atts/news-files/file/62430226843.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/kavidetogimofozod.pdfIn PDF document text
  • http://fairfresh.net/assets/admin/ckeditorimage/files/82574595799.pdfIn PDF document text
  • http://www.jssmiec.com/themes/js/kcfinder/upload/files/76983707924.pdfIn PDF document text
  • http://jamesandsons.ca/userfiles/file/85351365900.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161fe1dfa37810---66517205424.pdfIn PDF document text
  • http://cidadania23pr.org.br/ckeditor/kcfinder/upload/files/bijezenener.pdfIn PDF document text
  • http://miminku2.com/contents/files/21534276301.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/66bb94a5c508e1a18ffdd206df1aab4a/datilel.pdfIn PDF document text
  • http://jingyilin.org/uploads/file/14905847378.pdfIn PDF document text
  • http://unii-dz.org/app/webroot/js/kcfinder/upload/files/sakujugemefoxanus.pdfIn PDF document text
  • https://www.vyrobadps.eu/admin/kcfinder/upload/files/13820039590.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16240d3d143a83---radunowufugiketegajuwak.pdfIn PDF document text
  • http://fecoil.com/userfiles/file/48620499972.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/88625434187.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/lidejutegoj.pdfIn PDF document text
  • http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/44125117154.pdfIn PDF document text
  • http://drtamerturan.com/file/fawexefo.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/58206301529.pdfIn PDF document text
  • http://imobilestore.de/userfiles/file/48083556206.pdfIn PDF document text
  • http://korowod.sdk.pl/userfiles/file/62904554827.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/82212905870.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/xujekefararutesolosi.pdfIn PDF document text
  • http://radiosalsa.fr/php/rs/filesupload/file/43005160632.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/8328cdcd9d54f5de166d2264ed5d3b30/zopofeguga.pdfIn PDF document text
  • https://www.edaas.com.tr/admin/kcfinder/upload/files/xokemolukupajekezagelut.pdfIn PDF document text
  • http://sharise.net/Uploadfiles/files/8515633463.pdfIn PDF document text
  • http://kultpro.ru/userfiles/files/47406502081.pdfIn PDF document text
  • https://norin.co.za/XSRYdR1H?utm_term=library+management+system+css+templatePDF link annotation
  • http://www.snhram.ru/kcfinder/upload/files/10591739504.pdfIn PDF document text
  • https://groclin.com/img/uploads/files/woramiz.pdfIn PDF document text
  • 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 extracted file (font_00_sfnt_off00029aec.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00029aec.bin)

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