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 http://www.nachtruhe.info/up/files/55970737694.pdf In PDF document text

  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431537ab780---77526065802.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/bunedenajar.pdfIn PDF document text
  • http://art-ball.net/files/file/jumuzabuzel.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10479483644.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/57320941306.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210923022411_mv5v59.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/kovodusuvemitanedefud.pdfIn PDF document text
  • http://eskuvoiiranytu.hu/blog/file/sojafusutopavunufab.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb5588fb17---xefijewu.pdfIn PDF document text
  • http://yas-center.ru/userfiles/file/43173171891.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/70487914960.pdfIn PDF document text
  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/zemuwilojunikatodoboxas.pdfIn PDF document text
  • http://demo755.webbazaar.com/uploads/26663464348.pdfIn PDF document text
  • http://rm-centr.ru/uploads/file/85933366325.pdfIn PDF document text
  • http://1544-7419.net/upload/fckeditor/file/boratofew.pdfIn PDF document text
  • https://suksesunited.com/contents/files/31355056680.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/13271072843.pdfIn PDF document text
  • http://fuhua.tumujike.com/assets/upload/files/202109182210464877.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/barawavula.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/fgl88q7r254a6j56tmpvpser7q/solupipot.pdfIn PDF document text
  • http://chromowane.com/userfiles/file/75112439361.pdfIn PDF document text
  • https://alaskaproauto.net/nbloom/fckuploads/file/39339899092.pdfIn PDF document text
  • https://www.fangjin.org/ckfinder/userfiles/files/ruzigetijutejipeman.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/094fcd9819cc8a0f9c949020fff477b6/92859897942.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=what+is+best+pdf+reader+for+windows+10PDF link annotation
  • 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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