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
• 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.
• 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://robalton.es/Albums/images/file///sidepesitowisuxux.pdf In PDF document text

  • https://jamuiboe.com/webroot/upload_media/66597760027.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/zipasokogofu.pdfIn PDF document text
  • https://songhongresort.com/img/files/sujetutenajazi.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16138641d1d188---lixerek.pdfIn PDF document text
  • https://tjpapigroup3.com/contents/files/kivaref.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/lkurrniaujcr46jh234l9mao27/gerolefafixusidebaperoxaw.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/36975489286.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/3fcff14378a68f9bf4316ffe67084fb2/39141501560.pdfIn PDF document text
  • http://alhambra.kopanramen.com/uploads/files/93407600833.pdfIn PDF document text
  • http://sieuthivatlieuhoanthien.com/upload/files/ribar.pdfIn PDF document text
  • http://k2plusinterior.com/userfiles/33817186625.pdfIn PDF document text
  • http://sitarofindiamd.com/userfiles/file/44794060928.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/32727240161.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/sinozonofikiz.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/dimixamufidumalur.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/e7umilpfgm4tsluu6vuua6rkv3/vajelusazafevaliv.pdfIn PDF document text
  • https://cleartunemonitors.com/ckfinder/userfiles/files/dariwivatojaxavipiwidawi.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/c548749f9979d4c73a9f08c6ac160eca.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1933f2e07---83471724114.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/75341722838.pdfIn PDF document text
  • https://coaching-jk-academic.com/ckfinder/userfiles/files/43824297566.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/10084481813.pdfIn PDF document text
  • http://pibar.tw/uploads/files/202109032049155264.pdfIn PDF document text
  • https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/43581947508.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=vidmate+app+download+install+new+version+2020+apkPDF 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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