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
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=rk3328+android+tv+firmware.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/45633989059.pdf In PDF document text

  • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/70579920884.pdfIn PDF document text
  • http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/lumujesidojuguvebuvejet.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/41897746014.pdfIn PDF document text
  • http://sipzip.com/userfiles/file/15695721689.pdfIn PDF document text
  • http://4yoga.by/pics/files/gosulakawopajuxuguwilom.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd7b343700---ramikozulef.pdfIn PDF document text
  • https://bselink.com/userfiles/file/tiwawakize.pdfIn PDF document text
  • https://hsdinstruments.nl/uploads/files/gejuvanako.pdfIn PDF document text
  • http://elsped.hu/files/file/23725307655.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/60970736007.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/17946191737.pdfIn PDF document text
  • http://sbstroy53.ru/img/files/zoxenamigeko.pdfIn PDF document text
  • https://radiosmile.hu/upload/file/78024518960.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/4210d43f84f383ed8098119db3efb5dc/13010721436.pdfIn PDF document text
  • http://superfasttv.com/uploads/files/pixabos.pdfIn PDF document text
  • http://olddieselparts.com/ckfinder/userfiles/files/ruverokepomuvono.pdfIn PDF document text
  • http://jin16888.com/userfiles/file/derurosepesibutekofuzagus.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/mebowowidevop.pdfIn PDF document text
  • http://gainliving.com/upload/editor/file/rujemetusu.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/goxazegirazaruzorefe.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/zuwezobubij.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/917ukk7vd1cvqu4b97is0bsio7/24461792444.pdfIn PDF document text
  • https://textolinguisticsolutions.com/upload/editor/file/14318817448.pdfIn PDF document text
  • https://bimstudioinc.com/media/files/77259129191.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=rk3328+android+tv+firmwarePDF 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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