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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://inwebjor.ru/uplcv?utm_term=android+open+zip+file+with+password PDF link annotation

  • https://dammesliepas.lv/ckfinder/userfiles/files/wajiveturegebidimibegig.pdfIn PDF document text
  • http://pixel-pro.ru/upload/file/rexeminunesuzezakirol.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161394e650e463---kabolivotemitubajofebejej.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/3qlv3h9i2c8stc3g2qgu6d431f/zodukogal.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/92713944551.pdfIn PDF document text
  • http://www.lovebliss.tw/UserFiles/files/36908497184.pdfIn PDF document text
  • https://magicdiscoradio.com/userfiles/file/40001217057.pdfIn PDF document text
  • http://zjgjqmr.com/v15/Upload/file/20219151933413668.pdfIn PDF document text
  • https://foodexgida.com/uploads/files/62845074812.pdfIn PDF document text
  • http://rqconsultores.com/userfiles/file/dukogi.pdfIn PDF document text
  • http://akcompany.vn/uploads/userfiles/file/60828965200.pdfIn PDF document text
  • http://mwbright.com/upload_fck/file/2021-9-1/20210901213111559142.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/uhe96ev2gelvprdv37dnamsine/79315262242.pdfIn PDF document text
  • http://st-communications.com/ckfinder/userfiles/files/zigujewegopesis.pdfIn PDF document text
  • http://mistral-paints.cz/userfiles/files/52676187747.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135610119811.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/d6apjoq5v1jaceb6vumsu9b9e9/xewobaluwupipar.pdfIn PDF document text
  • https://reparation-mobile.net/userfiles/file/32958132445.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/wilomakewowibubesile.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/pavoxiveragofofafi.pdfIn PDF document text
  • http://generale-bureautique.fr/gdb/files/file/92287366660.pdfIn PDF document text
  • https://vienhung.com/webroot/img/files/44836838558.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/kobijimodawowus.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/9942714276.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/38163634466.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467455643c4---ruzivefitososiruxokimip.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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