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.
• 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.
• 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 https://wirut.co.za/XSRYdR1H?utm_term=computer+answer+key+2018+12th+science PDF link annotation

  • http://remproekt-m.ru/admin/ckfinder/userfiles/files/80694255974.pdfIn PDF document text
  • http://muzeumkonstancina.pl/attachments/file/43840440754.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16201cc05e1c18---ridevudozutidem.pdfIn PDF document text
  • http://leviedelsignore.it/gallery/files/66141199152.pdfIn PDF document text
  • https://alirezamirmohammadi.com/images/upload/files/41395167301.pdfIn PDF document text
  • http://gmixlocadora.com.br/admin/kcfinder/upload/files/55824865948.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16215b75882f84---28821160147.pdfIn PDF document text
  • http://oecschool.com/userfiles/file/37895220683.pdfIn PDF document text
  • https://www.swaraagmusic.com/public/templateEditor/kcfinder/upload/files/29219607091.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/86821178053.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/31988270432.pdfIn PDF document text
  • http://vesimport.ru/userfiles/file/komowepipapirilejusar.pdfIn PDF document text
  • http://studiotecnicoligioni.com/userfiles/files/fogidukufu.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/70392233075.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/21912552766.pdfIn PDF document text
  • https://thenovgorodspaceship.andreirozen.com/images/files/7796668301.pdfIn PDF document text
  • http://anninhsieuthi.online/upload/files/58945072346.pdfIn PDF document text
  • http://fukushigetakahiro.jp/pic/files/40436550794.pdfIn PDF document text
  • https://reytrans.es/kcfinder/upload/files/lolunisogorapovupader.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/162268fd8758bf---88423286006.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_off00058dd0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00058dd0.bin)

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