Malicious PDF — malware analysis report

Static analysis result for SHA-256 394c46b6c85cd315…

MALICIOUS

PDF

99.9 KB Created: 2021-10-13 01:16:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: e1844d3a56d8136da930788c7bb74bd8 SHA-1: 1f5568cfced8558e2e78d297dce681611a1982a0 SHA-256: 394c46b6c85cd315358459f3214ef15992cbb95fb9e47323566b7a6789a04a81
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with a heuristic identifying it as a link farm on disposable hosting. ClamAV detection and ML classification indicate malicious intent, likely for phishing or malware distribution. While no scripts were extracted, the structure and URL patterns suggest an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6684

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613689a5a0a36---98810570744.pdf In PDF document text
    • http://crabandclaw.com/uploads/files/xufilikumagidufejeri.pdfIn PDF document text
    • https://hoangvan.vn/wp-content/uploads/files/67918477545.pdfIn PDF document text
    • http://graciaindoutama.com/kingkong/userfiles/files/bunedenajar.pdfIn PDF document text
    • https://pmsp-me.com/userfiles/files/11424189028.pdfIn PDF document text
    • http://radio6deenero.com/uploaded/files/tireforaviwujanaz.pdfIn PDF document text
    • http://novehorizonty.sk/userfiles/file/10506084215.pdfIn PDF document text
    • http://briztravel.com/upload/files/tefazujumokefo.pdfIn PDF document text
    • http://borik.customreal.sk/data/files/nejumiwikazototimasekix.pdfIn PDF document text
    • http://machinesupplier.cn/data/product/file/2021109_1757_224.pdfIn PDF document text
    • http://aeon-dev.com/uploads/files/202110070850211063.pdfIn PDF document text
    • http://votejoedestefano.com/editorData/file/zakagematoxevedinozenape.pdfIn PDF document text
    • http://szyqjsj.com/UploadFile/file/20210926035653705.pdfIn PDF document text
    • https://dogathermalhotel.com/resimler/files/81691061259.pdfIn PDF document text
    • http://nriloan.jctoursandtravels.in/files/rutifipadafemevema.pdfIn PDF document text
    • http://northamericaminingexpo.mininglifeonline.net/file/aCHHlIdcXHemmpUU.pdfIn PDF document text
    • https://loppisidjupdalen.se/images/uploaded/file/nugurilibigebe.pdfIn PDF document text
    • https://cosmeticdermatologymiamibeach.com/uploads/data/files/38252415685.pdfIn PDF document text
    • http://trendstyleimage.com/uploads/ckfinder/userfiles/files/gakujinusiwataledebu.pdfIn PDF document text
    • http://capital96.com/userfiles/file/7034765835.pdfIn PDF document text
    • https://www.confirmedtour.com/files/rigatovegevij.pdfIn PDF document text
    • http://www.klccpa.com/userfiles/file/In PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=oh+my+ghost+thailand+2018+subtitle+indonesiaPDF link annotation

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