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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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 https://lazav.co.za/XSRYdR1H?utm_term=how+to+insert+checkbox+in+excel+worksheet PDF link annotation

  • https://reaga.net/js/ckfinder/userfiles/files/gesixa.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20211221_174848.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20211102_419E742B55FD6914.pdfIn PDF document text
  • http://coumert.com/images/file/nipinikiluja.pdfIn PDF document text
  • http://brainbond.ro/userfiles/file/fusejoxute.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a83661ac8a---zuwatofagamufogedakilisom.pdfIn PDF document text
  • http://simonide.org/userfiles/file/51492847838.pdfIn PDF document text
  • https://birotex.rs/images/files/pawikurogowegasebubi.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/33366832744.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161cd56436df75---66779797870.pdfIn PDF document text
  • http://jhdljz.com/userfiles/file/1642841343.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616682767cabc---18788532759.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/suvixilawe.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/735a6c2f92101d3c9a1103bf688e37fb/16593515257.pdfIn PDF document text
  • http://safiorida.nl/operatori/userfiles/file/pibatutevezep.pdfIn PDF document text
  • http://thoitrangvabaoho.com/Images_upload/files/5564700145.pdfIn PDF document text
  • http://yaan121.com/uploads/files/202110161300245883.pdfIn PDF document text
  • http://bukharajohnscreek.com/sites/default/files/file/juronataw.pdfIn PDF document text
  • http://www.childofafrica.org/media/userfiles/file/75901940876.pdfIn PDF document text
  • http://clanlogging.com/images/fck/file/kamajobedomubelawuwutise.pdfIn PDF document text
  • http://radissonhoteltraining.com/userfiles/file/tuponadimopajuwip.pdfIn PDF document text
  • https://capitolmodels.tuzonanet.net/userfiles/file/ramarokaxaremaneb.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161b36a6597e2c---94328851822.pdfIn PDF document text
  • https://isleo.com/i_photos/file/43011339508.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/78057787067.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3f0ce198d4c9fd0507e6587fc2a14011/82019937632.pdfIn PDF document text
  • https://htkvn.vn/public/admin/plugins/kcfinder/upload/files/zobew.pdfIn PDF document text
  • http://fqcycpa.com/jingkelun/userfiles/files/20220110080301.pdfIn PDF document text
  • http://drukarnia-skawina.pl/app/webroot/media/files/nateseribolupabeguz.pdfIn PDF document text
  • https://hyundainhapkhau.vn/upload/files/zufalogix.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1619fd44f6597b---50005245192.pdfIn PDF document text
  • http://torremaggiore.sitmap.it/files/files/72548979176.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_off0004098d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004098d.bin)

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