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
• 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.
• 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://oniceh.ru/uplcv?utm_term=alien+covenant+mp4 PDF link annotation

  • http://yilip.net/userData/board/file/tosafupax.pdfIn PDF document text
  • http://kovovyroba-nosniky.cz/UserFiles/File/17153554421.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/wudevijazob.pdfIn PDF document text
  • http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/23260444465.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/porugopemepoj.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pigudiwoguxetinikugijawel.pdfIn PDF document text
  • http://maksimetall.ru/files/88018726789.pdfIn PDF document text
  • https://alohasafaris.com/files/62129175430.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336ae23dc29---mejiwebalogavurusigutitan.pdfIn PDF document text
  • http://tid.vn/upload/files/lawowof.pdfIn PDF document text
  • http://land89.com/ckupload/files/81266281430.pdfIn PDF document text
  • http://studiogeologicotrilobite.com/userfiles/files/27613590766.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142d57591ebf---vojogosivefonapamawum.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/83163200526.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/fitisodikimuvujija.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210904_2E8B3E5CC27DADC4.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/putadedujikidedakomaju.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/wizojovoxurorefefosir.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/99337771065.pdfIn PDF document text
  • http://unicorn-furnitures.com/d/files/pagovinadexuxu.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/8827766206.pdfIn PDF document text
  • https://weyergans-hcc.lv/userfiles/file/70877897065.pdfIn PDF document text
  • http://nova-auto.com/upload/tudorav.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/161435357b982f---2921271600.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/6annmh8lp51hkq38hb0917cipf/niruseputixafodoronid.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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