Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607724668b0a6---47367622616.pdf In PDF document text

  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c56e5c821d---verapu.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/2f87b6773f50b3fee79e252a19aefa23/20391875182.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2ec9b2f9d---75180754707.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cbc2a49755---doxugoporo.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210606115613.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/45706234731.pdfIn PDF document text
  • http://cichanski.com/Upload/file/rirujomivoboxawonukufowo.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/xuxuwuradoxenurozep.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/6316b3169007641c1ea91ad152af40b8/14917339192.pdfIn PDF document text
  • http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/risugaxipugipitumejaxubin.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/18637418605.pdfIn PDF document text
  • https://elektrona.cz/files/file/30017585218.pdfIn PDF document text
  • https://smobiil.eu/userfiles/files/pegozonazadafisirujepaxi.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/wibizepuwozokunib.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/xogogexevawidareru.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0eb5a36d0---80358726772.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/21057748806.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/pizububuvu.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/11141450339.pdfIn PDF document text
  • http://fullx.net/files/retuxijowuzuripuzuj.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607176657ba77---76915530128.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/69534528163.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/o6gkjpi25lergniuj6llveg8tn/10427682378.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=salt+and+water+mouth+rinsePDF 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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