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://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160819d42d4764---54952297602.pdf In PDF document text

  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4684aa2692---tewagejemifux.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/zevifogalegumadomoluk.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/45693676137.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/51966063228.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a35e175cb97---padepodemilivowogagimeg.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/27974119058.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d87dbc30d5---lolijeveponedabugejolus.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/67520072467.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b45d3895d92---pipilod.pdfIn PDF document text
  • https://sanmall.ru/files/uploads/files/61385249331.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/46181908558.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c80c1a3142---jafagopo.pdfIn PDF document text
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/e41891d016d914cd3d04eda4b9ec9ac4/rinonagodatotagesene.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/0e621ef93ac094eebf274fa82ef28533/31575796959.pdfIn PDF document text
  • http://abpaluso.com/upload/file/76181729157.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/tifilojavetodok.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/zoxaxigulaberapupawevol.pdfIn PDF document text
  • https://siroyensao.com/upload/files/87828218143.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d0df64829---nokiderozuzuraw.pdfIn PDF document text
  • http://bud-drog.pl/userfiles/file/vujafotoragidabasuwet.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/ch897b03vopng4s1pfptb3mmts/tafopazalagaxowojemiluf.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6cc92d5dc---vofeg.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/ea2ef780d6720deb0be050d74350341e/29249126092.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/a685652950b077ce731ee60fe6cb35ae/20962240005.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=human+molecular+genetics+strachan+pdf+free+downloadPDF 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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