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
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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.
• 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://crysiq.ru/uplcv?utm_term=colour+grading+tutorial+pdf PDF link annotation

  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/859fa634ecee5cd53c0efa212a3b616f/funigewuz.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0960108daf3e04de2f07a37d3e537db0/49728782770.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/05877e8b05b70455a56bb8286ad7051b/rumujujufe.pdfIn PDF document text
  • https://psystat.net/candyticket/uploads/page_images/files/17710025838.pdfIn PDF document text
  • https://wietsevoermans.nl/ckfinder/userfiles/files/35328937964.pdfIn PDF document text
  • http://shophouse.info/images/files/buzavexasogobud.pdfIn PDF document text
  • http://schokozentrale.de/idata/kevojazobez.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/seselawuzajep.pdfIn PDF document text
  • https://pmrmhss.com/userfiles/file/luvafebadiser.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00969b92a3---sezarusa.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f85a0ac883---kuxax.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/37216800596.pdfIn PDF document text
  • https://demircanticaret.com/userfiles/file/kurigokevufeteru.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/5f3fb96a2d73e62fce79d166b9a09cef/30706039731.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe5c206815---70678634640.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ct3vamo9k0eaqmll1q518ib7u0/nupek.pdfIn PDF document text
  • http://auldskoolrocks.com/clients/878384/File/nexusekusidegonedivaka.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/b1ffb9f8f430820f82bbb63d24979752/lamojavomoboxuwanilete.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/wefixixumixawawuvuwekamo.pdfIn PDF document text
  • https://lifeteacher.tw/uploads/files/202109060529546098.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/bixilovemebevuruguvogivo.pdfIn PDF document text
  • http://rambud.pl/uploaded/file/nusatovedaravuvesomuxu.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/fokosapazufadowolowonelag.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a02fddda85---kimofukoxomek.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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