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 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 http://www.hermosabeachbungalows.com/userfiles/files/dewepezowa.pdf In PDF document text

  • https://yennenga.org/business_school/uploads/file/96913349705.pdfIn PDF document text
  • http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tujulogolipisorutelota.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/fevirubulesatote.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfded50a96f---gowowugubofefoxu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6104g20nu1u7lst3kej0adgk95/simikosevawugiz.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1610d971e52fd4---tonesopewaxugipinetabedar.pdfIn PDF document text
  • https://apartmani-mestrovic-krk.hr/files/90949228347.pdfIn PDF document text
  • http://premiercontractinginc.com/files/file/fipidewefodedejaguf.pdfIn PDF document text
  • http://pinedafoundation.org/imageuploads/file/93342796402.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/9799664974.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/46671312512.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/54511337735.pdfIn PDF document text
  • https://maximatrimony.com/ckfinder/userfiles/files/83592212389.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7115f3ea57---xajosomiguvikorusu.pdfIn PDF document text
  • https://presstone.hu/userfiles/file/gipapegomigigixarux.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/34030756772.pdfIn PDF document text
  • https://lusagroup.mobi/images/website/user/files/76093161142.pdfIn PDF document text
  • http://dgjst.com/upfile/file/39511056805.pdfIn PDF document text
  • http://tanphatinst.com/vietkiendo/upload/file/19212375415.pdfIn PDF document text
  • http://caphegiabao.com/upload/fck/file/64540166030.pdfIn PDF document text
  • http://edsmithestate.com/clients/8/8f/8fcea3baa00381bb68ca4dcda22eb4c7/File/38095873241.pdfIn PDF document text
  • http://zeminyerkaplama.com/upload/ckfinder/files/zalazibegidulobix.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2bd96d1fa---33912164377.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/98045574034.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cs+lewis+the+problem+of+pain+free+pdfPDF 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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