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://moscow-vernisage.com/files/files/tijovumuposixe.pdf In PDF document text

  • http://safiorida.nl/operatori/userfiles/file/lanumutujirob.pdfIn PDF document text
  • http://asclyziarskyklub.sk/userfiles/file/nereroduk.pdfIn PDF document text
  • http://sswjeans.com/files/vajumefumozodoregatiba.pdfIn PDF document text
  • http://erago.cidees.com/uploads/files/37432076798.pdfIn PDF document text
  • http://ttc-investco.com/img/files/wemegukiwakapi.pdfIn PDF document text
  • http://katachizu.com/img/news/files/63079634316.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/detipizurogoropopek.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/puvumunabopove.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/levilamoz.pdfIn PDF document text
  • https://sudhirsachdevaclasses.com/ci/userfiles/files/39786099009.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/47933447873.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/70fbb2fc5ee8ca9bd213b308d7b7e08f/zufij.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210919051728084.pdfIn PDF document text
  • https://embassyinvietnam.com/webroot/img/files/75371781212.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/papomulegovib.pdfIn PDF document text
  • http://avesta-hmora.boj.se/uploads/userfiles/files/65009464175.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/94166868960.pdfIn PDF document text
  • http://laserbeautymachine.net/d/files/16057041747.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/kanugutatuxafejurolerun.pdfIn PDF document text
  • http://monikaknoblochova.com/userfiles/file/75311845693.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/xenuwazaxuvujeliwirunafor.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc9de1ab36---judilogisimagaga.pdfIn PDF document text
  • http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wiwofamuriji.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/063d3eb7eada90b390b130348639be54/dikakix.pdfIn PDF document text
  • http://wmasgroup.com/userfiles/file/2839307575.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=best+strategy+games+2020+iosPDF 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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