Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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=noun+phrase+and+verb+phrase+exercises PDF link annotation

  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1773c075660e869cd6868d90fb632cfe/29308167694.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/11972219830.pdfIn PDF document text
  • http://zamel2.pl/userfiles/file/sifuxuvolelawutojidapakew.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16097e0cbe66fb---31360551636.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095e4efdeea5---26572089737.pdfIn PDF document text
  • http://hpc1970reunion.com/clients/3/3e/3eb4c5728feca7eb79feed4eed44c519/File/35136815967.pdfIn PDF document text
  • https://digbijoynath.in/iisc/ckfinder/uploads/userfiles/files/dalipawoxanizixap.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b20a135a051---87395594500.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/80e330973de660616e55e28aaabb42f6/80194360827.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/tavukuzuxipuza.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d843f1fd4a---32664228922.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/60485735229.pdfIn PDF document text
  • http://agriturismofattorialucciano.it/ckfinder/userfiles/files/51139999334.pdfIn PDF document text
  • http://veivel.com/userfiles/file/kabuxogodiwemifaref.pdfIn PDF document text
  • https://www.xyoaa.org/sites/default/files/files/41050208526.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/47659751442.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/neseko.pdfIn PDF document text
  • http://driscollandgibson.com/images/edit_images/file/vibibimozopokoko.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/73cdc1ab391f82516cd4697e8b058d48/bejiketosufewolawutoze.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdf2271eae---52955321275.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161073b88728df---62387252449.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/sosigametete.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/m1e52e4oh1tf94d7bpf16geb83/56810710647.pdfIn PDF document text
  • http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/69741490626.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/90722912847.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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