Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crysiq.ru/uplcv?utm_term=hello+neighbor+hide+and+seek+download+apk+android PDF link annotation

  • http://ahchala.com/img/file/sumuraxuxabu.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/kepuxegagoxujejag.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/fogelemigebijin.pdfIn PDF document text
  • http://vasamo.org/pds/userfiles/files/13500371731.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/bewobigowex.pdfIn PDF document text
  • http://tetraeng.it/userfiles/files/82306603973.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb6d6c54ab---zamazewuvunazafunenu.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/jugimeda.pdfIn PDF document text
  • https://alariel.be/userfiles/file/8894644424.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/28523289799.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/zepozew.pdfIn PDF document text
  • http://snft.ro/media/file/14384784673.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc5c1f545eb---49177398698.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab081a7e4f---85124264566.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16081ef6f1d46a---57996129887.pdfIn PDF document text
  • http://ahchala.com/img/file/sapefedika.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/65311523233.pdfIn PDF document text
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/d3db1f20ed949e3213a697f623e1af91/zevoge.pdfIn PDF document text
  • http://starcity-vinhomes.vn/app/webroot/img/files/90687921430.pdfIn PDF document text
  • http://rosesrealtyhomes.com/userfiles/files/gotefenavo.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092aab256d50---vamudatojuriwa.pdfIn PDF document text
  • http://dpholding.ru/uploads/files/memikimigupazazevere.pdfIn PDF document text
  • https://www.abrasco.org.br/ckfinder/userfiles/files/31641772227.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9d4c03a19---80915515221.pdfIn PDF document text
  • https://willmarlakesarea2040.com/ckfinder/userfiles/files/jilikapatexadavo.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/3v06n8makqvc3mjia3lpt1hmsc/50050199498.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/62eae4c37268a88ace45e19f81304ad7/31866849540.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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