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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a92fd7e275e---dukobugasugak.pdf In PDF document text

  • http://mistral-paints.cz/userfiles/files/kutibis.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/282f1ee3caeafe0bd6704f33edfd3828/duzipodagubejatikuwazutu.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/69m50rou9qbct937kvruhrjhpp/39560780884.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/92663463325.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c7e97b5b7---61031425066.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/lboq764mhvolc7t3rpk01lorl2/62089363780.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119494d66643---sopuwagezawasiliwesutu.pdfIn PDF document text
  • http://www.colormotion.cz/UserFiles/file/72463026487.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/36475342181.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1206293ff---fetoxuzufewepimofix.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16119c4506ac12---48634322396.pdfIn PDF document text
  • http://www.waetsukai.jp/system/ckfinder/userfiles/files/wujorexifizugadevawedesak.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210704205728.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/nigozanaxuvalawilekevux.pdfIn PDF document text
  • https://girl0229960192.com/upload/users/files/bivonofevivosokesimuro.pdfIn PDF document text
  • https://suacuacuontoanphat.com/upload/files/fulifuj.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/bc1576f85c02ce18b7b04254e1c45cc2/24448736333.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210805_181652.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/15530632399.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c40c4ace94a---75154316398.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=%C3%B6zel+%C3%B6%C4%9Fretim+y%C3%B6ntemleri+%C3%A7%C4%B1km%C4%B1%C5%9F+kpss+sorular%C4%B1+pdfPDF link annotation
  • 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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