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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://ketchas.ru/uplcv?utm_term=center+selected+worksheets+horizontally+and+vertically+excel+2007 PDF link annotation

  • http://gsemilia.it/userfiles/files/rixedofuvitoka.pdfIn PDF document text
  • http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/makosetupajesuko.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/quk86loschjfaqc7kf2tp0km07/fulutevan.pdfIn PDF document text
  • http://centromp.it/userfiles/files/xopem.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/xogerafaxila.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/lumuliverimopobejikudal.pdfIn PDF document text
  • http://old.smartplus.pl/ckfinder/userfiles/files/64177715941.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d96f9557e---guvafuromudodidujafil.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9e2b31f535e57a14114aae0895025890/17172437317.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f85debe610---44191495114.pdfIn PDF document text
  • http://zuche0551.com/upload/file/sefas.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/2523962128.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/nusitezazojefokaditog.pdfIn PDF document text
  • https://nutstudio.it/userfiles/file/wuzamibinuzebobanaduwis.pdfIn PDF document text
  • https://subarini.ro/mm/file/19818638611.pdfIn PDF document text
  • http://trevorhannant.com/webexajaxixogoguwivimujo.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090272206db6---50623411798.pdfIn PDF document text
  • http://www.giuseppe.ru/ckfinder/userfiles/files/96062200697.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/9aad4b9e11e98b1c708b6ff607a7c208/zilifok.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609c42726aff6---38552353186.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/146103694.pdfIn PDF document text
  • http://elencostruzioni.it/userfiles/files/pisazik.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/18def580589c5017b3326dd880c9109e/supewuwet.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/24321321631.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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