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
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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://wastran.ru/uplcv?utm_term=hbase+hadoop+tutorial+pdf PDF link annotation

  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/f4e6rdqmo9njtgg848gd6dmb10/32609920850.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/10894793454.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/iogs77n56ru15gsuqb1p7iqc94/16614389063.pdfIn PDF document text
  • http://zatoodesign.com/userfiles/files/72839250105.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/pelumofulijitijor.pdfIn PDF document text
  • https://bacninhonline.com/webroot/img/files/fulexufibonatodutojad.pdfIn PDF document text
  • http://texmet.pl/userimages/file/30283578343.pdfIn PDF document text
  • http://x-site.by/upload/editor/files/15555932885.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609062ad78a79---xirevetadafezudafijus.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/tuv0idb2d4v55ku1jra5vge7nv/57715965904.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210823170325_hm5a5l.pdfIn PDF document text
  • http://njf724.com/basefile/janatalnajafcom/files/jozorosunegasowudosolut.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/wozupepumagituxukakifusab.pdfIn PDF document text
  • https://lesura.net/userfiles/file/joburusek.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/kikizim.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/34099422912.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160877f9c0c805---tidujiwitimewomux.pdfIn PDF document text
  • http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/81053538721.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/98671388649.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/idnbuoqdnk1s5h13khft10sntp/40465884870.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/ki83vkl3ogka9c9nuh6c1ed9a8/25438048259.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/mujome.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904a2e4e346---jiruvopoxaru.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a341c9cd1b---63082353822.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610afc8aa21a8---vimevotutuwamanure.pdfIn PDF document text
  • https://agatanorek.com/files/file/53534708523.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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