Malicious PDF — malware analysis report

Static analysis result for SHA-256 8589c165fd69b1ef…

MALICIOUS

PDF

64.0 KB Created: 2021-07-20 04:21:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 07e1dd6ed462cfcb2309bd897c5d14b2 SHA-1: 64dd10de7fd7b7a48ab0b2bdfbe3b3654a9698aa SHA-256: 8589c165fd69b1ef758d84eebd17a983c23acbb5bf645902fb44a71f483d97c4
154 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this, indicating the file is designed to trick users into downloading malicious content or visiting harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6844

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://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f93b8a696---lufusavaw.pdf In PDF document text
    • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/07a98d2fc2b24ecccf3e7091f3d05c90/26599091609.pdfIn PDF document text
    • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160708df3cb8a1---75616102996.pdfIn PDF document text
    • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ff11b3d43---ninuruxalofiligoxi.pdfIn PDF document text
    • http://pengyou-english.com/FileData/ckfinder/files/20210713_03CF056C46414B52.pdfIn PDF document text
    • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/a3551178b877e5602a4ba67e78012fd0/17530122779.pdfIn PDF document text
    • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/80231da6687e8962e683e4aac018f5c4/28623796085.pdfIn PDF document text
    • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/b91db614ba4f9d5e64e3c328c6a7575d/nujokodapujegif.pdfIn PDF document text
    • https://laps.pl/userfiles/file/xifuxos.pdfIn PDF document text
    • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5cd4c0cfcb---81943806557.pdfIn PDF document text
    • http://wearefamily1234.com/clients/3/31/31b46d3307e4516335aa88350909469c/File/19193451483.pdfIn PDF document text
    • http://jtour.vn/userfiles/file/xujigujalojedoda.pdfIn PDF document text
    • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/57635ea53ad557b88f328047dd029e74/sitifudelavixuxasibu.pdfIn PDF document text
    • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d240cb9edd---90543086676.pdfIn PDF document text
    • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/d8cc4a598d583bb6080e2b5e2be4cd6b/gepimusof.pdfIn PDF document text
    • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f43a7c0a49c---35612812375.pdfIn PDF document text
    • http://cgl.lu/userfiles/files/65082279684.pdfIn PDF document text
    • http://humanlitech.com/files/files/34271330020.pdfIn PDF document text
    • http://duda-tech.pl/dudatech/upload/file/zibadixoxodugevefixesu.pdfIn PDF document text
    • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088608b2965c---setagozaselezavotuvenu.pdfIn PDF document text
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/6ce10d45f5ff2fdbf2206287e2501b2d/86522996584.pdfIn PDF document text
    • https://csodamalom.hu/files/files/gasevadadewaxewunigul.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=minimal+brand+identity+guidelines+free+downloadPDF link annotation

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