Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9b118b554159859…

MALICIOUS

PDF

78.3 KB Created: 2021-03-27 13:51:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4fd45c61ca9ff9fb2c34b22a3ad27909 SHA-1: eda16a37ac7eb3f203009c3b70534e03acedfc1c SHA-256: e9b118b5541598595be469de2428e6048e4354bfa52d2458ee0f054c1bd8b805
96 Risk Score

Malware Insights

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

This PDF document contains an embedded URL that mimics a search engine result, likely to trick users into visiting a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://seumenha.ru/strik?utm_term=how+do+you+workout+with+kettlebells
    • http://rasezatoxefu.mygamesonline.org/how_to_unlock_flip_phone.pdf
    • http://kolekewoni.mywebcommunity.org/compound_interest_worksheet_gcse.pdf
    • http://delinapod.mypressonline.com/wekogobime.pdf
    • http://midunetojonawiw.mywebcommunity.org/jekedigowarunamodum.pdf
    • http://wazepewazivulil.mywebcommunity.org/vehicle_tracking_system.pdf
    • http://ganitigusawev.mygamesonline.org/vizio_e320vl_power_supply_board.pdf
    • http://lupaper.22web.org/92822152817.pdf
    • http://xenirukanasi.iblogger.org/reading_comprehension_worksheets_grade_8.pdf
    • http://livemavuxedu.getenjoyment.net/41960046594.pdf
    • http://saripituxupagek.sportsontheweb.net/78745715379.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://siwemoxoxawevuv.atwebpages.com/vaziposedokiz.pdf
    • http://begujewirefe.myartsonline.com/uakron_map.pdf
    • https://uploads.strikinglycdn.com/files/3d0bc295-f64d-4d0f-93ca-bc37907f20e2/what_is_an_internal_control_in_auditing.pdf
    • https://s3.amazonaws.com/fomudebipefasu/luvonozotilopituneked.pdf
    • https://uploads.strikinglycdn.com/files/b517cbba-0692-45af-ad13-820071d31a86/how_many_calories_in_a_sonic_medium_tater_tots.pdf
    • https://s3.amazonaws.com/gagotaniwipure/emirates_nbd_online_transfer_form.pdf
    • http://tediguku.atwebpages.com/proyecto_codigo_civil_1851.pdf
    • http://vumovofun.onlinewebshop.net/bezixadalulak.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f55d.bin
daeac797613d020df1bfe76b64ba59e4da1e5e4e737edf618db1f5960fcaa8b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF55D 5060 bytes
font_01_sfnt_off0001069d.bin
216987bb37edbbedecc238d1b08c0c449d0ced45c0c81e05e5b8f70f37dfad9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1069D 10924 bytes

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