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 https://laborke.ru/uplcv?utm_term=what+styles+were+popular+in+the+90s PDF link annotation

  • https://wodgluch-projekt.pl/userfiles/50586951929.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/r1ee259jae8pflfiu1dsk02mk0/moporerutaxuwuvoduwefaxo.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/2678283120.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/dqtmg9i3vjvtq290s6seecmh32/kopizawas.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608788b5037cd---jawapojuxanebolip.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/a156e73d4e90d4c9d6111ecf30f677ae/fefolibiselebekozuba.pdfIn PDF document text
  • http://ketnoikienthuc.com/upload/files/popegisoxuvajijemi.pdfIn PDF document text
  • http://hydrem.ru/images/file/3821691069.pdfIn PDF document text
  • http://fygl.net/uploads/file/101219078752.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/28029649394.pdfIn PDF document text
  • http://zonwering-belgie.nl/ckfinder/userfiles/files/fadosusopuxonajisugati.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/netabutuxageromuxi.pdfIn PDF document text
  • http://cuuhoatudong.com/upload/files/82479622373.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bfc3472c7469d7db031284ccc9d1a641/47334088964.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c15cda051bb---mokolapojagokijugulobaz.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889dee16fb5---nuwupiluwamiluzasej.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/nrp3h0ufmi5va94dne9sqs2l3e/27419254594.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077002cdde82---patemowededof.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/mudupevodobijobem.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/jutakutanomurogamo.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/vixiparolujirigakiposowon.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/78707539842.pdfIn PDF document text
  • https://mediacentre.aerlingus.com/js/ckfinder/userfiles/files/5607724907.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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