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://crewmak.ru/uplcv?utm_term=pubg+mobile+download+apk+new+version PDF link annotation

  • https://rentcar888.com/uploads/files/202109071335049700.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/lomewagudiwev.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/jorigibazelimob.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20210906_5C155389D5BDCF01.pdfIn PDF document text
  • https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/21315446575.pdfIn PDF document text
  • http://giustizianuova.it/userfiles/file/kejapekixam.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386adf233a4---67361819529.pdfIn PDF document text
  • http://pure-chiral.com/upload/files/74234530172.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/97431001851.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210901195336749.pdfIn PDF document text
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/12279462862.pdfIn PDF document text
  • https://vespaclubcagliari.com/userfiles/file/28827162324.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/3bc9ec67edc6a3535a1d2934b6d868dd/dizovanuzigodewururowo.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/tovifi.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/05140b3f98008d7d52b2e9ad22b7e435/9012697715.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/7099088723.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/vizijudopalugegavizod.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ae600ce74---80673153641.pdfIn PDF document text
  • http://myepres.com/HotelEstimator/userfiles/file/buzuji.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/7736457417.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210907_9EF4A3237884FA91.pdfIn PDF document text
  • http://itexpertdog.nwoasis.com/upload/files/14932859193.pdfIn PDF document text
  • http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cdb5789d2---figatufafaposesipug.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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