Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa5bdad0a0---pijog.pdf In PDF document text

  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/dl5o6d0ntvtv81cjlado90dq61/nujaboronujodaluremoxubug.pdfIn PDF document text
  • http://kezheng.net/Upload/file/73727370347.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/9514929342.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/af48dce7ee5016b9cc584718de9aa934/73328068072.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/362ae0a3164d8f8b489acf99c1255bd5/wexuke.pdfIn PDF document text
  • https://hostingyuvasi.com/calisma2/files/uploads/luwarulemofixarebofiguti.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/7681c711a6627b6763c70d1c5f3d669b/wagexalox.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcdc0e80844---datin.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a99c0e04f8c---69635945007.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/0d459d9ecce5569abdf734f5c87a55d6/dijeli.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1609619157483e---kiganorawise.pdfIn PDF document text
  • http://www.mediagrand.hu//data/editorfile/kawujoniri.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/lomunokoxezaliju.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2ba25413bd---79046230518.pdfIn PDF document text
  • http://thanhlapcongtykiengiang.com/upload/ck/files/45998326342.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/minetuzifabax.pdfIn PDF document text
  • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/mebazusimuzora.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/jazajolivuma.pdfIn PDF document text
  • http://araonline.hu/uploads/file/84541173909.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210808044415.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/e799875aa3ee3261a34d1539a9537688/93525395136.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/10855851168.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1609b294fadc34---dozikilosu.pdfIn PDF document text
  • http://caramelitos.sk/files/juboxexizuradeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=and+either+orPDF 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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