Malicious PDF — malware analysis report

Static analysis result for SHA-256 41afd207633910ff…

MALICIOUS

PDF

79.2 KB Created: 2021-03-18 12:40:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3af57a950d1f42eb4341e0bebce070ec SHA-1: 9ad603adee8c48479ff00ef1cba091c0cbb45993 SHA-256: 41afd207633910ff3ee809e4775778fa90edc227b6a0d71c73a5a23fc25183af
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that directs users to a website advertising a hack for 'Hill Climb Racing 2'. This URL is likely a lure to download a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/wix?keyword=hill+climb+racing+2+hack+ios+2019
    • http://dalodafi.22web.org/vodijokutesefilamuja.pdf
    • http://choosemadam.site/fekozubededif79y43.pdf
    • http://mosuzovopij.22web.org/counter_strike_1._6_pc_torent.pdf
    • http://mugedly.xyz/71518996048wy2ur.pdf
    • http://boviriso.22web.org/73875260179.pdf
    • http://gojoxoxuda.22web.org/repixudubazed.pdf
    • http://ozalupa.space/heizer_y_render_2009cqd18.pdf
    • http://ibkreactiva2020.com/transport_tycoon_deluxe_download_macft3ef.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://kadebenatoloxib.rf.gd/what_is_a_hollow_body_hold_exercise.pdf
    • https://1747caf2-50c5-4ace-8f30-8d3f4e2f7d49.filesusr.com/ugd/017962_3b840ca15609451cbb73e8a169ed8e1f.pdf?index=true
    • http://foliminuga.epizy.com/8891099231.pdf
    • http://kibululugavi.epizy.com/lapiwimadanazo.pdf
    • http://vigakike.rf.gd/up_b._ed_entrance_syllabus_2020.pdf
    • https://f730d15c-1921-46d2-b6d4-288333e40990.filesusr.com/ugd/e2c223_dbe460b1deb24da49630c3295f040826.pdf?index=true
    • http://dojokefopuxi.rf.gd/bakra_eid_photos.pdf
    • https://uploads.strikinglycdn.com/files/94893389-8e49-4b21-9d78-70e86e768c93/what_are_the_types_of_revenue_recognition.pdf
    • https://5efcf519-4c71-4be9-a00f-e1d47ba804c5.filesusr.com/ugd/ebcc4b_34439d9b9d6d47f1a39633f3bd82236d.pdf?index=true
    • https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_6d8288efa6cd4855a13de04f90f8b7dd.pdf?index=true
    • http://zunukaxoke.rf.gd/latofugavusopamujomijufej.pdf
    • http://weguxoxuwaxa.epizy.com/how_to_connect_hp_officejet_pro_8600_fax.pdf
    • https://uploads.strikinglycdn.com/files/06aef808-19cd-42eb-86d6-90c460139f5d/can_i_get_my_mini_serviced_anywhere.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9a7.bin
90453f930a7ad4475fac6c7ae3fdd75f9b4d2e29c36e69f7cf122bacd926d4ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE9A7 5452 bytes
font_01_sfnt_off0000fbdb.bin
49f9f5d73bce93957c8568cf986d48c83f75b9a912262f6831780a94c8883266		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFBDB 11284 bytes
font_02_sfnt_off000120f4.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120F4 4324 bytes

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