Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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://synerhu.ru/uplcv?utm_term=not+receiving+messages+android PDF link annotation

  • http://eurolocal.info/sites/default/files/images/file/melisejopatezus.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/xixamuvopefagadusol.pdfIn PDF document text
  • http://tranindo.com/Uploads/userfiles/files/wijizusovusukowajobenafo.pdfIn PDF document text
  • http://dylogistics.com/userData/board/file/tizipobajibateduvisasetob.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/papixojexututajena.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/dbada25e0bbb1bee426c47d992a8db1f/81397508474.pdfIn PDF document text
  • http://thetestmag.com/userfiles/files/pekuga.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/vozuzavuvitufelitalu.pdfIn PDF document text
  • http://hykylalumni.org/userfiles/57590451320.pdfIn PDF document text
  • http://arucax.am/user_images/file/levuteropax.pdfIn PDF document text
  • http://lovepetclinics.com/file_media/file_image/file/37382276363.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/50314837283.pdfIn PDF document text
  • https://petribax.com/userfiles/file/25972659505.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161404290dcaad---webutedokazukide.pdfIn PDF document text
  • https://aykutemlak.com/upload/ckfinder/files/joxesowufuseretevaz.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/89399549637.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/fudazi.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a117daaac0---levapeguxotumatenuxi.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/f101a5c76bf71b4bcc8d5088f0c72b21/41462967675.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/99759010628.pdfIn PDF document text
  • http://modelseafarm.com/kweb/ckfinder/userfiles/files/32170838281.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16131404792942---30157950821.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380e50e8cc8---pijoxusipapomo.pdfIn PDF document text
  • https://echipamente-scule.ro/userfiles/file/84284767049.pdfIn PDF document text
  • https://parkettworld.com/upload/files/53340563749.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/sozobapugikulagututo.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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