Malicious PDF — malware analysis report

Heuristics 8

• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=diet+after+stroke+fact+sheet+uk PDF link annotation

  • http://wu-pao.com/upfiles/editor/files/30786237490.pdfIn macro / runtime command snippet
  • http://www.adom.biz.pl/ckfinder/userfiles/files/bavixagavavilimeturutifug.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/0c99a136c21beae61a1003c4f9fb6c56/wekapatesuvefakiw.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/vemeloki.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/6b26712ec037723398b766f26b080c58/rozujugenogibonela.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/molir.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16224a5e383191---4245862583.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20220214_B384B5FA56F3729E.pdfIn PDF document text
  • http://canvangdientu.com/images/file/20577846004.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/bd908e6e7213eb11d2d1ee422b13452e/ludasu.pdfIn PDF document text
  • http://piscesappliances.com/userfiles/file/62055893595.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/tixusu.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/soxesu.pdfIn PDF document text
  • http://moonyart.ru/admin/ckeditor/kcfinder/upload/files/tikejafubirezixigofuvula.pdfIn PDF document text
  • https://anfauglir.com/images/file/konasaketozidowenipodid.pdfIn PDF document text
  • https://plagij.at/ckfinder/userfiles/files/paxosigar.pdfIn PDF document text
  • http://blueleaves.ru/userfiles/file/pezifagagivudopanab.pdfIn PDF document text
  • http://www.ascondir.com.br/Gerenciador/kcfinder/upload/files/venugumiwetexadapisowa.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20220302_022230.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20220217111434.pdfIn PDF document text
  • http://matrix-work.com/uploads/files/34161429565.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620cca2234f41---pogovagapozogexitixidini.pdfIn PDF document text
  • https://kalafiber.com/webroot/js/ckfinder/userfiles/files/97469818972.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16204f11012d90---49113956664.pdfIn PDF document text
  • https://ipekyolumedya.com/resim_galeri/file/lotojajevomokixojaruzap.pdfIn PDF document text
  • https://gyogytorna-vac.hu/admin/kcfinder/upload/files/nuwolim.pdfIn PDF document text
  • https://planbmedia.hu/files/25378296219.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/jijudinuvafufuxasule.pdfIn PDF document text
  • http://cistenivytahu.cz/upload/file/xalakoverumezuda.pdfIn PDF document text
  • https://bselink.com/userfiles/file/75211608068.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_off00057468.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00057468.bin)

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