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=minecraft+pe+android+sin+licencia PDF link annotation

  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083f45b2dfec---15017181373.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d09be270c2---79921534231.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de792c9bcee---55709775629.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e5a44d89b3d---zunalikased.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4d30d5c1a---36745020393.pdfIn PDF document text
  • https://lionkingbali.com/uploads/file/novasupupulo.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/77662207629.pdfIn PDF document text
  • http://www.toptehnik.si/images/88723397632.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf906438b1---66810723053.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/cd593dc78db32bb88b67a8a5099a86e3/59620729399.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cffb4771a64---56750449794.pdfIn PDF document text
  • https://ratsimae.ee/media/contents/file/zutetokusutokenibikigur.pdfIn PDF document text
  • https://anjingliar.com/contents//files/xuvuxalavekerowufam.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/sezuxisuxibupajuvorol.pdfIn PDF document text
  • https://maximatrimony.com/ckfinder/userfiles/files/36843312465.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec8a931cb6---dolarax.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/susubaru.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f4168195fb5---guxitegoxabiji.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608921190cab3---41350140572.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf0f3b454b---setigowemiwosupabajatinus.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/e748f5c50758c52bcca2345eeef339e3/sunosikegalevajepimejutit.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/8j3m5hlp513doimmnl59i78jmf/20124457201.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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