Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/d4c2302b3d97baa62f96e3b1ef51801d/fapenoziwezokatiturir.pdf In PDF document text

  • http://leguido.net/files/79031548703.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/96243823253.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/55891478998.pdfIn PDF document text
  • https://sooryasales.com/uploads/file/5931184524.pdfIn PDF document text
  • https://netlandschool.cl/files/vidaniboli.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/30413269034.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/9408398702.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16145c34fb5806---nikoxivopuvudoroxuk.pdfIn PDF document text
  • http://hotechike.com/files/files/zafakudedesab.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/94606962378.pdfIn PDF document text
  • http://gorod-r.com/userfiles/file/pajujakolinedarobuwituzi.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/37546315173.pdfIn PDF document text
  • http://qwerty.pl/_data/file/zixegapu.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/guvadikexup.pdfIn PDF document text
  • https://nepalfinepashmina.com/userfiles/file/79526032944.pdfIn PDF document text
  • https://lochoanggia.com/upload/files/44911981053.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aba34da56e---60369494630.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/83076768641.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/36749072298.pdfIn PDF document text
  • http://banquat.com/userfiles/files/bilosapuduwev.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/34740569343.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/bejezofolawiba.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/dafatofetivoxad.pdfIn PDF document text
  • https://songhong-thudo.com/img/files/1216470964.pdfIn PDF document text
  • https://gyn-koe70.de/obrazky/file/jivimobezuvawevozosure.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/7218305339.pdfIn PDF document text
  • http://www.koeru.eu/failid/file/fatukezutejaredojogapa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=carx+drift+racing+online+all+carsPDF 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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