Malicious PDF — malware analysis report

Static analysis result for SHA-256 c82ab437b5b6cc29…

MALICIOUS

PDF

62.9 KB Created: 2021-04-04 00:54:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fedeba7cab87511c8c6fa65b7a22bb6 SHA-1: d535be1226d59950414d64c8aa42a2d61ad4afa8 SHA-256: c82ab437b5b6cc2901216e23c832456857ff863d95cafefff4eca4640d7c45a8
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of an embedded URL pointing to 'bologen.ru' suggests a phishing or malware distribution attempt, disguised as a link related to game downloads. No scripts were extracted, but the PDF structure and embedded URI heuristic strongly suggest it's designed to lead the user to a malicious resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8435

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bologen.ru/123?utm_term=gta+5+dlc+cars++pc
    • https://cdn.sqhk.co/pemoxeriko/haBjbux/pinball_arcade_online_gratis_para_jogar.pdf
    • https://cdn.sqhk.co/xevoxotasopu/cSOPijY/89173877664.pdf
    • http://kaboperesepasu.iblogger.org/map_of_east_africa.pdf
    • https://cdn.sqhk.co/kolusugego/E5ggkyU/goboronavutunetoxid.pdf
    • https://cdn-cms.f-static.net/uploads/4446782/normal_602a9e1b7e569.pdf
    • http://xadixul.66ghz.com/axis_bank_internet_banking_application_form.pdf
    • https://cdn-cms.f-static.net/uploads/4367312/normal_600a88a28c07e.pdf
    • http://rulavilev.iblogger.org/59830897873.pdf
    • https://cdn.sqhk.co/nugubirudif/jcihyii/63871556602.pdf
    • https://cdn.sqhk.co/vulovosovem/gcjeIhh/civil_war_1863.pdf
    • https://cdn.sqhk.co/wenewojufaj/jf4jhig/classic_arcade_games_for_android_free_download.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/dogazisuze/free_brochure_templates_in_photoshop.pdf
    • http://jevabatogi.rf.gd/51641346680.pdf
    • https://s3.amazonaws.com/xeponodij/sagivurawakinuk.pdf
    • https://uploads.strikinglycdn.com/files/6eea80d1-4bfc-4b7c-a54f-38df1eaf3a91/how_to_start_my_jonsered_chainsaw.pdf
    • https://uploads.strikinglycdn.com/files/0fbbbd57-a27e-4cdd-99ec-98e1c04e69fa/24898462575.pdf
    • https://uploads.strikinglycdn.com/files/4e0b1c96-643a-4c34-885d-450d60315f32/96264794618.pdf
    • https://s3.amazonaws.com/suzujewa/pazikefudipajolebor.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed8e.bin
1c5768644969432db3080a691fdd8c249ef8b91dbe65b381c11a39afdda8ee81		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED8E 5224 bytes

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