Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e139a910616c7ce…

MALICIOUS

PDF

78.8 KB Created: 2021-03-18 05:49:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d35a083631b0c48dc8a33956a7fb631 SHA-1: 9d6d0d0641064f836e49891d1d47c918e87174a0 SHA-256: 9e139a910616c7ce97511196957fb367a8a407d86197ab6d710462c4026f42d6
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URL pointing to a suspicious domain, likely used for phishing or malware distribution. Although the document body contains garbled text and references to a game, the primary threat appears to be the external URL, suggesting a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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=clash+of+magic+s3+apk
    • http://mylic.ru/monster_vision_vr_toysrqq1.pdf
    • http://xusakarezexalu.iblogger.org/xosorevalazikulimesekinaw.pdf
    • http://apsdd54gfv.xyz/how_many_walking_dead_volumes_are_there75106.pdf
    • http://rowifir.22web.org/10957285286.pdf
    • http://godevibusaxinoj.22web.org/xokarunisivuf.pdf
    • http://ropiwijubasa.22web.org/pivuviwurezo.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://nataxos.epizy.com/juverideziriterogisiwi.pdf
    • http://namajuve.epizy.com/incident_report_police.pdf
    • http://zuronixo.rf.gd/tajunejod.pdf
    • http://baperosuvo.rf.gd/komexezagisa.pdf
    • http://zexizel.epizy.com/libros_de_ortopedia_dental.pdf
    • http://kidured.epizy.com/el_negocio_del_siglo_21_audiolibro_completo.pdf
    • https://s3.amazonaws.com/jodabiladezot/45426857853.pdf
    • https://s3.amazonaws.com/gedexim/characterising_performance_of_environmental_models.pdf
    • https://s3.amazonaws.com/fapaga/12537053914.pdf
    • http://wikenazuvoke.epizy.com/kogewutiki.pdf
    • https://s3.amazonaws.com/godoremitiwuja/first_grade_math_worksheets.pdf
    • http://ruwozubusa.epizy.com/dugugefewagonuvumi.pdf
    • https://s3.amazonaws.com/tikoweravisixu/balancing_chemical_equations_practice_worksheet_answer_key.pdf
    • http://bibobega.epizy.com/gaxusujunilimusokibijusu.pdf
    • http://tedejokalegiruj.epizy.com/aha_guidelines_hypertensive_urgency.pdf
    • http://wopaxigaromuf.epizy.com/zoxevukogolopeliwan.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_off0000f63b.bin
5334934effe4816f63c2b595b9cd4f7e5190a8d2362da5d07a80b80caae0d7e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF63B 5468 bytes
font_01_sfnt_off000108b7.bin
75f5e0ca870f0369623a199e9775920a97a5e5b2facffc27c45ed463c043041b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x108B7 10980 bytes

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