Malicious PDF — malware analysis report

Static analysis result for SHA-256 e386506d933e68ed…

MALICIOUS

PDF

67.0 KB Created: 2021-09-21 03:56:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: 24fe6f6dceb315d6fa80fd3615715ab8 SHA-1: cc4eda148aea81ce0fa2ecde1c35218803214597 SHA-256: e386506d933e68ed5c58f3f36285d84ce3053c8898636ee192665b447b0f28c9
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically flags links hosted on compromised CMS upload storage. ClamAV detected this file as 'Pdf.Phishing.Trojan', suggesting a phishing or malware distribution intent through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6235

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://irlanc.ru/uplcv?utm_term=a+quite+place+cast PDF link annotation
    • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1614467364e95a---letige.pdfIn PDF document text
    • https://avela.md/userfiles/file/xikidojekubusanosipisefe.pdfIn PDF document text
    • https://handientu.vn/userfiles/file/72050111705.pdfIn PDF document text
    • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/24717866571.pdfIn PDF document text
    • https://anakmeong.com/contents/files/gulizazuwezugudikunal.pdfIn PDF document text
    • https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/79663901858.pdfIn PDF document text
    • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/40e8ca1a6d89f06da2db3057e2d78a23/jajeriwuzitopuwiru.pdfIn PDF document text
    • https://kompaspt1.com/contents/files/72991251775.pdfIn PDF document text
    • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161383a7cd2268---10014295615.pdfIn PDF document text
    • http://dioceseofniranam.org/userfiles/file/rilalogixugonol.pdfIn PDF document text
    • http://salman-group.com/userfiles/file/69947868151.pdfIn PDF document text
    • http://artikos.pl/userfiles/file/69478651992.pdfIn PDF document text
    • http://spreewaldatelier.de/img/editor/file/58690250133.pdfIn PDF document text
    • https://aslimitada.com/userfiles/file/83553322777.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c09fa244ca---57185629858.pdfIn PDF document text
    • http://security-m.jp/tool/images/file/58076285690.pdfIn PDF document text
    • https://priscar.com/documents/files/91600156460.pdfIn PDF document text
    • http://beta-rc.com/upload/files/80138732863.pdfIn PDF document text
    • http://plan.msu.ac.th/ckfinder/userfiles/files/porupajugesulukere.pdfIn PDF document text
    • http://nokianhakkablue.ru/ckfinder/userfiles/files/94622368749.pdfIn PDF document text
    • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87625052355.pdfIn PDF document text
    • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/0b6101b2fa8f62e4d248defb50b8b34e/zezodugi.pdfIn PDF document text
    • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133cff9cab30---89013940099.pdfIn PDF document text
    • https://tes-sys.com/uploads/ckfinder/files/20210908/16310630817517.pdfIn PDF document text

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