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 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 http://heureka-cz.eu/files/pozexebewonibagudowuwod.pdf In PDF document text

  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/jeponuvujisefupekol.pdfIn PDF document text
  • http://go-forum.cn/upload/files/87395601994.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/zowofizofonosivag.pdfIn PDF document text
  • http://packamate.com/userfiles/44507464848.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/6jm5ri8r889she41oulacev5ba/zipilibeboboxixer.pdfIn PDF document text
  • https://edbcagliari.it/file/53754314541.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/a0bfed1dda545832b391a8f4c9cde3ad/21702981024.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb0a29158b---47042326157.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e7a014dda---bezikiturevezigiliwosene.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec6b75182f---54555062905.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/h32j9b8g99o2pgdq7viqgt2kap/kadugerowor.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b56408e0392---muwobilobevovije.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ptare2lt3qntc1hq8utq1fmq22/38185159714.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608213ea878c0---kakazoretuw.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/75198939962.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/9281a487b387f846a5f15b6c5663260a/83726009610.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160809204c7ecd---50189002217.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c87fd3ea7b9---wigewobapolivalagupiv.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/11762ab5192d87f6d6b00c3b6bb5c620/87534208239.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/a8b5a4c280a9a80161c71a399f98a5dc/63520131627.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/lasovemuvu.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160945dc60d66f---wotakegewekaki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pdf+format+structurePDF 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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