Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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.
• 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://laborke.ru/uplcv?utm_term=utah+grizzlies+injury+report PDF link annotation

  • http://constantemail.com/userfiles/file/1638430241pejozixepadijejupopog.pdfIn PDF document text
  • https://sarenpinler.com/calisma2/files/uploads/31119078384.pdfIn PDF document text
  • http://jump360.co/upload/files/20211026154528.pdfIn PDF document text
  • https://cevhertemizlik.com/userfiles/files/30086474762.pdfIn PDF document text
  • https://daqushop.id/upload/files/zaxuk.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/66038427722.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/72262556779.pdfIn PDF document text
  • https://doanandieuduong295doson.vn/namthuan/images/news/files/warutegobususirixopipova.pdfIn PDF document text
  • http://bouwbedrijfbouwheer.nl/userfiles/file/4510837913.pdfIn PDF document text
  • http://yuc-fac.com/uploadfiles/20211122063638.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/jageve.pdfIn PDF document text
  • https://gestcargo.com/uploadfiles/file/25467139465.pdfIn PDF document text
  • http://olymp-kiev.com/temp/fckeditor/file/99652117044.pdfIn PDF document text
  • http://akatumusics-ang.communication-pro.fr/public/1283/contenu/file/wibefefoz.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/00dd1210add3ecec0525e58370eae1d9/95600220165.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fc710e954---nadigiwot.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/sefepavif.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/46283622949.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16193514039bdb---nowowivunipifufobulu.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/figabaz.pdfIn PDF document text
  • https://villamishkan.com/310renonew/front/images/files/gakogijapexexasafuxi.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/29102555904.pdfIn PDF document text
  • https://leanuslab.com/UserFiles/file/wujufojituzu.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/bulovijobakawosenosewen.pdfIn PDF document text
  • https://mondoaudio.it/img/uploaded/file/81263959334.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/39827189659.pdfIn PDF document text
  • http://phongkhamthienhoa.vn/images/files/kovovep.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/papofitazanasuf.pdfIn PDF document text
  • https://ecohort.info/userfiles/files/vupekutilas.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/21920984028.pdfIn PDF document text
  • https://www.marthomattcollege.org/admin_panel/kcfinder/upload/files/tivifu.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/larar.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_off0005aeab.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005aeab.bin)

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