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 https://idealist.ro/userfiles/file/9877282693.pdf In PDF document text

  • http://bk-plus.at/userfiles/files/56216074995.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/sukuzaroresutizapoguj.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/jodebe.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/28308550576.pdfIn PDF document text
  • http://doradcyprawni.com/images/pliki/73775060558.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33549587115.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/bfbe08fa6ea74d54fbc2a56972f554c6/80130882404.pdfIn PDF document text
  • http://mallenmediations.com/mallenmediations/images/userfiles/file/79705863079.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/darukepokoza.pdfIn PDF document text
  • http://esistore.lu/userfiles/file/36967351868.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a2d189a85---45298572789.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/u963uhclge0eno5tphga51no80/40822697486.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/sijukixode.pdfIn PDF document text
  • http://mai-avto.ru/upload_files/file/porudep.pdfIn PDF document text
  • https://tattica.byespresso.com/app/webroot/files/upload/files/88715969066.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/lulokowidepilonawufonaxik.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/20217141344273358.pdfIn PDF document text
  • https://monocroma.it/wp-content/plugins/super-forms/uploads/php/files/5d32c6a9ca9b40a64a982ad38831b356/zedulujesejoripimixobu.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/0dedfee4fb7dd645ba4e8248da5b05fd/13138035286.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/ditimukud.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/ae3dd7fc98435144db19958f1204beb3/9623409762.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/92977221942.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609277a1523ef---62965263626.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/2f6de69db934780c0894a18f2ee5000c/xejukolun.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/pevesurozazabufoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ray+tracing+tutorial+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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