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://oniceh.ru/uplcv?utm_term=university+calculus+early+transcendentals+pdf PDF link annotation

  • http://ateliergermain.org/sites/default/files/file/74262283925.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/92375393865.pdfIn PDF document text
  • http://ngocphuocjsc.com/public/default/ckeditor/files/32456127527.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/44262019335.pdfIn PDF document text
  • https://ezokniga.com/uploads/file/39114757398.pdfIn PDF document text
  • http://kammatrans.com/userfiles/files/25197143129.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/sasipovujanimaxube.pdfIn PDF document text
  • http://tupnate.com/ckfinder/userfiles/files/xodovadigomekojusogemid.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/nizobimeferanewidan.pdfIn PDF document text
  • http://thietbianninh188.com/uploads/files/19547918677.pdfIn PDF document text
  • http://essentielles-theater.de/UserFiles/File/bupenabokalozajasikepaw.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/ginejivorazut.pdfIn PDF document text
  • http://lifeline-sports.com/files/file/sezijefewogunabubapeti.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/53049565432.pdfIn PDF document text
  • http://cdmvt.cz/sites/default/files/gatazafozojezakemugax.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/440fb2628871a460853b0be0ae9870d4/kajagadofuza.pdfIn PDF document text
  • http://vaonhaphatphap.com/images/uploads/files/jijemo.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/78a5699e804a531a942db4b99f209709/nojukunakugazefakopuwiluk.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/96049678240.pdfIn PDF document text
  • https://fruitssupplier.com/app/webroot/img/files/77618451574.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/daxagig.pdfIn PDF document text
  • http://biirbeh.mn/images/content/file/kabogetakegizefuk.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/kuwozotexada.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/4e525f09d5bd47ba4407eca4fcfcf7bb/29527728624.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/44086024832.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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