Malicious PDF — malware analysis report

Heuristics 10

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• QR business lure with obfuscated text critical PDF_QR_BUSINESS_LURE_OBFUSCATED_TEXT
  PDF contains a QR-like image and business-process scan instructions that only match after removing invisible Unicode control characters. This indicates deliberate text obfuscation in a QR phishing lure rather than a normal QR code.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• QR-code business verification phishing lure high PDF_QR_PHISHING_LURE
  PDF contains a QR-like image and visible text instructing the recipient to scan or use a QR code for verification, HR, payroll, policy, email, signature, or similar business-process activity. This is a high-signal quishing pattern even when the PDF has no active JavaScript or URI action.
• 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.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://gyogytorna-vac.hu/admin/kcfinder/upload/files/wirekab.pdf In PDF document text

  • https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/162174fffcfea2---mumufidovoginupidiroj.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/162042f3f4789c---nifetukurafivebipavub.pdfIn PDF document text
  • http://cyklokomfort.cz/files/kcupload/files/29282793475.pdfIn PDF document text
  • http://itcbeautytrainingschool.com/userfiles/file/xepoparisokin.pdfIn PDF document text
  • https://mlm1.scriptgiant.com/tempimg/file/19592338621.pdfIn PDF document text
  • http://artin-intranet.com/ckupload/files/sumuvoxigaw.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/59227310826.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/mutibarawomobeden.pdfIn PDF document text
  • http://customartdirect.com/kcfinder/upload/files/fefajexotopini.pdfIn PDF document text
  • https://protravelnetwork.com/akram/know_news/admin/userfiles/file/vewapasosevi.pdfIn PDF document text
  • http://nineslash.com/user_file/file/tivonuduzexakuwefud.pdfIn PDF document text
  • https://www.journalstudiesanthropology.ro/adm/jsq/kcfinder/upload/files/gatiz.pdfIn PDF document text
  • http://szigetkoz-vizitura.hu/admin/kcfinder/upload/files/sumakelajoraborisi.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16205711e29f42---jebazinomofutugarujadi.pdfIn PDF document text
  • http://key-pro.jp/kcfinder/upload/files/zuzajezejojasu.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161f9a820073f5---88732860695.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///95397479856.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16216104e2bd43---zixuweboji.pdfIn PDF document text
  • http://ccaquebec.com/userupload/files/6785399868.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/ac2b2d26ed296c9363580d8a8b1f6b87/51849054626.pdfIn PDF document text
  • http://quantri.thaisonpalacehotel.com/upload/files/safuwemosubi.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621eef34ed24c---30059376169.pdfIn PDF document text
  • https://ragaz.co.za/XSRYdR1H?utm_term=browser+that+can++videos+iphonePDF 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 extracted file (font_00_sfnt_off00040aca.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00040aca.bin)

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