Malicious PDF — malware analysis report

Static analysis result for SHA-256 719336644b98956f…

MALICIOUS

PDF

124.0 KB Created: 2021-07-14 04:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 7b2885d1037a26088e98a818bcf164ff SHA-1: 0061db303f5c81892cbb5ad8bcf7da5ddf683dd6 SHA-256: 719336644b98956fa1e6d78a5ec485728d381b19cbe39f897ebd29790b953855
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a link farm pointing to multiple distinct hosts, many of which appear to be compromised CMS uploads. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The primary attack pattern involves directing users to external, potentially compromised sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6049

Heuristics 5

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdc34a1f46---porawu.pdf In PDF document text
    • http://xn--e42bt3l.net/upfile/files/miboserigikagok.pdfIn PDF document text
    • http://ofitecnic.es/files.ofitecnic/fck_up/file/rupezojaxafulivudili.pdfIn PDF document text
    • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/e1096f2f6ed886c2736fcc0bef3d77cf/34301524085.pdfIn PDF document text
    • http://maslatalaia.com/userfiles/file/rufegixipopilojikani.pdfIn PDF document text
    • http://sushinamu.com/uploads/files/fojeterobajedajabobi.pdfIn PDF document text
    • https://manuscripthandler.com/userfiles/file/wutoxikek.pdfIn PDF document text
    • http://4998horo.gmmwireless.com/contents/files/jikisifor.pdfIn PDF document text
    • https://btcauction.vn/hinhanh/file/6834382533.pdfIn PDF document text
    • http://driscollandgibson.com/images/edit_images/file/tilivuzok.pdfIn PDF document text
    • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073bfcc9b8d6---22703980097.pdfIn PDF document text
    • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160781eab78b61---24138677447.pdfIn PDF document text
    • http://eurogeographyjournal.eu/admin/fckfiles/file/53183426817.pdfIn PDF document text
    • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/fakolagewifabomifotuvow.pdfIn PDF document text
    • http://sunnysidehighschoolclassof59.com/clients/867562/File/74995301205.pdfIn PDF document text
    • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607f17a23caf6---91164019093.pdfIn PDF document text
    • https://larrialdiak.es/files/galeria/files/vekipesozivugitejebas.pdfIn PDF document text
    • https://samyenngochoang.com/wp-content/plugins/super-forms/uploads/php/files/ne5nk2thuiekgh53etf0npvuuc/fezifesuzarevaladefula.pdfIn PDF document text
    • http://haciogullari.com/depo/sayfaresim/file/kuwovirogitu.pdfIn PDF document text
    • http://ccsl.asia/files/48996958050.pdfIn PDF document text
    • https://pcparts.fr/ckfinder/userfiles/files/15740446449.pdfIn PDF document text
    • http://bualuang101.com/backoffice/upload/files/balopudidikutezosidu.pdfIn PDF document text
    • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160832b0a1b9dc---96771543585.pdfIn PDF document text
    • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fbpgvok7l80hj9305tb4ifs0b5/vuvibazavapofumewitodo.pdfIn PDF document text
    • http://adamslakeband.org/userfiles/file/pofivuputariwaxa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=adam+smith+wealth+of+nations+division+of+laborPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.