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
• PHP webshell / backdoor source critical WEBSHELL_PHP
  The file contains PHP server-side code with the signature of a webshell/backdoor (named PHP webshell banner (madspot)). A webshell takes attacker input from an HTTP request and runs commands/code on the server. Flagged as a malicious hacktool artifact even when carried inside a document or archive — the code does not execute from the carrier, but the file is a webshell.
• 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.
• 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://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/bebovekozide.pdf In PDF document text

  • http://baobianhkhang.com/upload/files/gekenowad.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/162004933d3e47---razow.pdfIn PDF document text
  • https://akanaymatbaa.com/calisma2/files/uploads/jazozotixusirunu.pdfIn PDF document text
  • http://mfcpavpos.ru/file/27793600870.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/mebomirumedajogokofojaz.pdfIn PDF document text
  • https://2winit.com/Files/files/nibizebulowol.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/tujajo.pdfIn PDF document text
  • https://harom.ro/files/file/kitowuxilira.pdfIn PDF document text
  • https://xtrafitcoaching.com/www/images/files/ladakisak.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1621b5263c86d2---58170013742.pdfIn PDF document text
  • http://melvin.cz/data/fasod.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/69697615727.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1620c8b9481e84---34040786021.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/10947801555.pdfIn PDF document text
  • http://surveycook.com/upload/tmp/202203/file/11947113965.pdfIn PDF document text
  • http://finadev-groupe.com/userfiles/file/46135470136.pdfIn PDF document text
  • https://www.montferri.com/admin/js/plugins/kcfinder/upload/files/26156552996.pdfIn PDF document text
  • http://www.tiendadelbordado.com/ckfinder/userfiles/files/fekobiterumibodo.pdfIn PDF document text
  • http://familie-schiecke.de/images/file/46684742465.pdfIn PDF document text
  • https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/jotorojagovogomi.pdfIn PDF document text
  • https://badeluxe.com/userfiles/files/64120786734.pdfIn PDF document text
  • http://greenmodels.ru/uploads/files/pupibasu.pdfIn PDF document text
  • https://dogudokum.com.tr/panel/kcfinder/upload/files/mupasanagewusewizazibetem.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/47645547257.pdfIn PDF document text
  • http://bacsiha.com/public/ckfinder/userfiles/files/zezexa.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/wexibigo.pdfIn PDF document text
  • http://www.xtraordinaire.org/web/kcfinder/upload/files/20181900517.pdfIn PDF document text
  • http://c2r.su/uploadfiles/file/2022030518560873499.pdfIn PDF document text
  • https://mifuj.co.za/XSRYdR1H?utm_term=urvasi+carnatic+musicPDF 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_off0003926a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003926a.bin)

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