Malicious PDF — malware analysis report

Static analysis result for SHA-256 cab91d2e134e53d5…

MALICIOUS

PDF

58.4 KB Created: 2021-06-07 05:47:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 72e27bd341da8ebec689f9afe3832cf2 SHA-1: e28be4fba4b25fb4ee479ef1237d19abcb568d1c SHA-256: cab91d2e134e53d5f004a5041aef68851f08f30874575de06a4e58eb1162601b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9907

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://drafthe.ru/pbw?utm_term=watch+helter+skelter+2004+movie+online+free PDF link annotation
    • https://lazevipabeba.weebly.com/uploads/1/3/4/7/134712462/2903e20d6394.pdfIn PDF document text
    • https://munowimil.weebly.com/uploads/1/3/1/4/131406650/kefasuniw-xotifelopex-wejebufuzarida.pdfIn PDF document text
    • https://waxavunetisuj.weebly.com/uploads/1/3/4/6/134641171/zafojafonamoki_gupam_dozegalasat_guwepera.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae18a41d-05fb-44e7-af88-3f013b12613a/21872868030.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fde60247-ec4b-431b-b438-6b35efcac00c/mossberg_930_waterfowl_12_gauge_shotgun_85128.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2619c2e-da81-4a44-b40c-6fb68d92c0c5/zepesisenovexibivavem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23512615-a185-4d5f-ae26-c267a2f9c387/5997486993.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c4b5262-8496-496b-92f6-3562c13cf43a/43971427795.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f942b9f-65be-44dc-95af-7d52d90365d7/75859835278.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3042d003-d926-4faf-b0ea-a0012b1c3f3a/tugikitezas.pdfIn PDF document text
    • http://zewalar.pbworks.com/f/caterpillar_dealer_service_tool_catalog_free_download.pdfIn PDF document text
    • http://mizelabe.pbworks.com/w/file/fetch/144535245/lisotokadewuturefabodaxiv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36858ca8-425e-4a03-bed6-5a602406ad42/a_series_of_unfortunate_events_game_free_download.pdfIn PDF document text
    • http://tazijebep.pbworks.com/w/file/fetch/144428865/1v1_lol_unblocked_games_77_ez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7c4164f-efa9-4e2f-9ad9-60c63c45b423/samsung_55_inch_4k_tv_6_series_vs_7_series.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8889f4a5-7737-4817-8d5a-f7aac499ffa5/ashp_poster_submission_guidelines.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8014d454-8b7f-4c00-b284-cb7a6b9e35ea/storyboard_drawing_app_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f2ff376-ed11-4d9e-ae46-6f5da5a28d0a/56444242548.pdfIn PDF document text