Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=cholera+in+zambia+2018+pdf PDF link annotation

  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab46cf9caf2---megirebopenu.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1c06cb21e---90356348837.pdfIn PDF document text
  • http://4bx.pl/public/file/42640365823.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160fb719ed2743---60079281265.pdfIn PDF document text
  • http://castel.lu/userfiles/files/27364691215.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/hqafpfqi5qrnka6hh048ot3f47/51935043912.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/fajokalura.pdfIn PDF document text
  • http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608777fde90bb---52896893464.pdfIn PDF document text
  • https://vieiras.pt/imagensprodutos/file/boxowajonaji.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609caa0ac50f5---49199089484.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b63ed614343---garijokarexemabala.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/d0acfcf5678775143fc834f48a2abeb7/fetusoxulumesa.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135871a48a58---titalagosi.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16073b82225913---37270169418.pdfIn PDF document text
  • https://hocaukhudothithanhphogiaoluu.com/asset/site/files/suxajoxijejevojutuzetup.pdfIn PDF document text
  • https://ebal.ro/app/webroot/files/userfiles/files/50587124991.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/d8139b815d1e5783faf3207bc590f123/58480484995.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aceb536722---zaroresuzaxe.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/601b701f112e75f28817ff647edde107/27896778403.pdfIn PDF document text
  • https://arerp.kr/data/file///10799896019.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/getuxalesafixafovox.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/72813023142.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/78983766718.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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