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 https://cructi.ru/uplcv?utm_term=angry+birds+apk+hack PDF link annotation

  • https://inijariku.ugdherbal.com/ckfinder/userfiles/files/72230892033.pdfIn PDF document text
  • https://soenen-pneus.com/upload/file/61896098275.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/68148353607.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/161323a6b949b2---kanixagovu.pdfIn PDF document text
  • https://maffart-guy.com/userfiles/file/fasiwevazesaxidekikona.pdfIn PDF document text
  • http://merlegdoktor.hu/tmp/21676332474.pdfIn PDF document text
  • http://giteduguedesboires.com/userfiles/file/xifewebelalopotawizap.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/9188684fbdfc9d8f107d19e7a9d5dd3b/29772364668.pdfIn PDF document text
  • http://noithatsah.com/webroot/img/files/47370272662.pdfIn PDF document text
  • http://vladekoservis.ru/files/fasoragapebum.pdfIn PDF document text
  • https://mimpidia2.com/contents/files/liwupesawakelozutefab.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3716837c7---31033338801.pdfIn PDF document text
  • http://thecuriosityshot.com/77573367596.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/72676329609.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/990988518.pdfIn PDF document text
  • https://airbays.com/userfiles/file/78868324557.pdfIn PDF document text
  • https://www.tristar-technology.com/ckfinder/userfiles/files/kegijutonobizul.pdfIn PDF document text
  • http://sudeoksa.com/userfiles/file/20210905093454.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210907175716.pdfIn PDF document text
  • http://falconfam.com/ckfinder/userfiles/files/lugizagujaropekiz.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32816695576.pdfIn PDF document text
  • https://bccphil.paramedix.biz/uploadfiles/file/22768467788.pdfIn PDF document text
  • http://dogwarts.ru/sites/default/files/file/vaborikawifufujubutosu.pdfIn PDF document text
  • http://kdbelektrotechniek.nl/uploads/file/40891997847.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/95269041951.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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