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.
• 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://smidgel.ru/uplcv?utm_term=movie+site+torrent+magnet PDF link annotation

  • http://herve-coiffure.ci/files/24964076051.pdfIn PDF document text
  • https://jancsoalapitvany.hu/ckfinder/userfiles/files/pivunokejek.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/7335413068.pdfIn PDF document text
  • https://tradegateindia.com/userfiles/file/xoradupivumes.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/21296677185.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/44059798504.pdfIn PDF document text
  • http://dautuck.com/uploads/userfiles/file/jakabexewoxu.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/46329879885.pdfIn PDF document text
  • http://drigungkagyurinchenpalbarling.org/upload/userfiles/files/41376840042.pdfIn PDF document text
  • https://atlaskvartir.ua/data/uploads/files/64908909653.pdfIn PDF document text
  • https://maria-galland.ru/files/file/galusavopaxizadavakopun.pdfIn PDF document text
  • http://geopraxis.it/userfiles/files/85209853943.pdfIn PDF document text
  • http://isdoor.ru/uploads/files/99816346090.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/juwesevovonesez.pdfIn PDF document text
  • https://zzwgjx.com/d/files/1203996576.pdfIn PDF document text
  • http://446888.top/userfiles/file/lepiregonumunonadu.pdfIn PDF document text
  • http://upasamed.org/Content/uploads/files/mitawuf.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4430e9000---buronaxozefelopu.pdfIn PDF document text
  • http://jamesandsons.ca/userfiles/file/rofagivuwun.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/vhfosqjcrj5qis849j79q0jv3n/14616454886.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/63752413768.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/72695187713.pdfIn PDF document text
  • http://greatwalledmond.com/ckfinder/userfiles/files/7314791776.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/vilozepixub.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cada03b7e2---palezifejuramixon.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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