Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9e3791edacd3530…

MALICIOUS

PDF

85.8 KB Created: 2021-03-23 10:03:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7f5a0eb90364514b992ee5d49dcaf796 SHA-1: 7078b4341010709c640f04f08fe576ef8297ed73 SHA-256: e9e3791edacd35303d0947fa6dd47cdbf07f6df1cb7eca428cca14d928f2bb35
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://botokaw.ru/wix?keyword=stellaris+cyborg+genetic+modification PDF link annotation
    • http://bapipakaroxi.22web.org/milady_esthetics_chapter_9_workbook_answers.pdfIn PDF document text
    • http://mixed-rootwork.com/11086751623v3by2.pdfIn PDF document text
    • http://gaydating.world/russian_weightlifting_programz2wfv.pdfIn PDF document text
    • http://xekuluw.iblogger.org/piruzoponusas.pdfIn PDF document text
    • http://pimifawimonidij.mywebcommunity.org/90181342845.pdfIn PDF document text
    • http://birapemotafew.mygamesonline.org/zotuxipovum.pdfIn PDF document text
    • http://powerhdniy.space/515243141815gcos.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zapumodexajo.rf.gd/jusaratefagemujok.pdfIn PDF document text
    • http://josesomesube.myartsonline.com/36482749652.pdfIn PDF document text
    • https://s3.amazonaws.com/divikufifir/marvel_heroes_game.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/82197535303.pdfIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/welorabenavegozut.pdfIn PDF document text
    • http://watekiz.rf.gd/how_long_is_pals_certification_good_for.pdfIn PDF document text
    • http://gejaxogepokotow.rf.gd/a_series_of_unfortunate_events_movie_age_rating.pdfIn PDF document text
    • https://s3.amazonaws.com/wofaxil/acog_preeclampsia_2015.pdfIn PDF document text
    • http://dezinolabebosod.atwebpages.com/wafiwelulipirokete.pdfIn PDF document text
    • https://s3.amazonaws.com/risisipajole/is_there_a_grace_period_to_renew_your_drivers_license_in_colorado.pdfIn PDF document text
    • http://fowidosufos.epizy.com/tipos_de_grupos_sociales_y_sus_caracteristicas.pdfIn PDF document text
    • https://s3.amazonaws.com/jefazaxal/biographical_approach_in_literature.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010dd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DD9 5684 bytes
SHA-256: 31f6ac04c159ea635abc1cf0ef560a0cd0931bf397952ccd6ef52496833fee22
font_01_sfnt_off00012122.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12122 12196 bytes
SHA-256: 027a69ce1e37d88f6637d3f486079d6273a55acaa6528ba2b0c25d3e2cda5729

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