Malicious PDF — malware analysis report

Static analysis result for SHA-256 e252aeeabe14a395…

MALICIOUS

PDF

69.5 KB Created: 2021-03-31 23:27:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 812b68b85114374e53d90c709f3f1749 SHA-1: 08dcdc446868d33ac31294115c14f059b49814f1 SHA-256: e252aeeabe14a395f6292145ac46793e1e19908618734a2ee65a4101f2ee4708
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that points to a suspicious domain, identified by ClamAV as a phishing trojan. The heuristic firings and the ML classifier strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for phishing or to download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7937

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://ponafet.ru/award?keyword=english+alphabet+book+pdf
    • https://cdn.sqhk.co/letaziseb/bgVs3yl/please_call_my_mobile_phone.pdf
    • https://cdn-cms.f-static.net/uploads/4393361/normal_605557541b084.pdf
    • https://cdn-cms.f-static.net/uploads/4418185/normal_6032e5162dd1d.pdf
    • https://cdn.sqhk.co/nejisakatok/jeWKgeQ/tifotedagitukezow.pdf
    • https://cdn.sqhk.co/bezorufuv/jegific/rick_and_morty_sound_buttons.pdf
    • https://cdn.sqhk.co/noneniwetav/hieFlZw/wardrobe_sliding_door_system_for_sale.pdf
    • https://cdn.sqhk.co/daxerarugak/ibXgdzT/57665066767.pdf
    • https://cdn.sqhk.co/muzolorakow/jhj5KL9/apple_logo_wallpaper_hd_1080p_black.pdf
    • https://static.s123-cdn-static.com/uploads/4464303/normal_5fe51cd8bb0bc.pdf
    • https://static.s123-cdn-static.com/uploads/4416504/normal_5ff318f95f2b7.pdf
    • https://cdn.sqhk.co/parapirer/hdY7wja/top_world_war_games.pdf
    • https://cdn.sqhk.co/pemejurove/jmgdgfU/deemo_reborn_pc_download.pdf
    • https://cdn.sqhk.co/bojowagawire/Ljh2hhe/81190776520.pdf
    • https://static.s123-cdn-static.com/uploads/4390385/normal_5fcbbcf293428.pdf
    • https://cdn-cms.f-static.net/uploads/4387567/normal_604387274aaa0.pdf
    • https://cdn.sqhk.co/tegasipitif/jggj51h/plunder_pirates_best_legendary.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/56aa802a-a35d-47cb-a35e-b8527ea15039/gixasoteme.pdf
    • https://s3.amazonaws.com/gurafoga/zulonusakudofexaw.pdf
    • https://uploads.strikinglycdn.com/files/5821e3e4-75c8-4406-a4fe-75fd06b37782/star_wars_ahsoka_novel_read_online.pdf
    • https://s3.amazonaws.com/rawesaragegugar/4th_grade_math_sol_practice_worksheets.pdf
    • https://s3.amazonaws.com/libosokune/graphene_nanosheets_images.pdf
    • https://uploads.strikinglycdn.com/files/f80ccb67-67b3-4199-8158-211eddf631cd/luzaruwosadomenibo.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ebfe.bin
5e92a402f3bb478062ac6ca0394dac774d7103f813920bc2d14e2d8eec8cf23f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFE 5368 bytes

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