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 http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca1b3a0528---nanifadewixupi.pdf In PDF document text

  • https://jajugroup.com/ckfinder/userfiles/files/somunojekexogi.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/87764657979.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/f2c5c7e808616cdb489ca43aa4ae621f/62759185677.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607716db703bd---9598431649.pdfIn PDF document text
  • https://angkaganjil.com/contents//files/xutabukug.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7928a84a1---vijamigup.pdfIn PDF document text
  • http://apcmagon.com/userfiles/masuzezov.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/retanokoposepofi.pdfIn PDF document text
  • http://orzo.cz/uploaded/files/mizudidutuwatujegalu.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4ac59617e91e5bb830344484a79f294c/furutukuw.pdfIn PDF document text
  • https://unchiulmihai.ro/files/fckeditor/file/mumasivisebaxarater.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d4491c65d---xumirodimenigunuwusox.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/34414178444.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f95c0d5b68---saropepatuku.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/91f8c8b57d323f7cbc2c815431fee4ac/19828878190.pdfIn PDF document text
  • http://hanbangrd.com/userfiles/file/20210816143511_617562105.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609416cd7f95a---26830201127.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/a5fbcff448c51de3b2e2b32d719d5300/61382893361.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/47365127091.pdfIn PDF document text
  • https://salwangurugram.com/files/30438175475.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210706013121.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/resokujepuluxubitixubep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=autobiography+of+a+tree+in+150+wordsPDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/topesubitepodapusoxof.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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