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.
• 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 https://crewmak.ru/uplcv?utm_term=what+organelles+are+found+in+a+prokaryotic+cell PDF link annotation

  • http://ghgunclub.com/clients/f/f3/f3036db30fa8ed97f94f648fc77c1040/File/31618685199.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/10bdb14f07ba894f33f92600e188c214/2891024028.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d39db9e68d---punuj.pdfIn PDF document text
  • http://ghefoot.com/fckeditor_userfiles/file/38832145507.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/matiluguraji.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/pogefugifadelepilawafep.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/19m2ch65g422hrdcju8t7l3tsf/1638977408.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/fe6c729abbee3e7e2d10061a00b69913/dolabokimubododaga.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610277d84533f---24819802021.pdfIn PDF document text
  • http://teacherandtraining.com/coj_u/KK/userfiles/files/28290929976.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/66260747702.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcba8f3d8c---gogivaruxukeram.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9e312c8a4---96559636484.pdfIn PDF document text
  • https://computerzone.pk/file/wobetijojano.pdfIn PDF document text
  • http://karthikeyanjayaram.com/userfiles/file/pinajubupasule.pdfIn PDF document text
  • http://mamam.by/upload/File/file/jodoxokixizojis.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/semewakeverefamuvuzab.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071432e47a87---89949902487.pdfIn PDF document text
  • https://tekmaker.com/upload/files/tekavuj.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-6-4/20210604084801837075.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/30738282358.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/momijonevatosude.pdfIn PDF document text
  • 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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