Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbb08502eb3018d6…

MALICIOUS

PDF

77.3 KB Created: 2021-03-29 23:12:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60c88da911aa1e335d49327adc5ff027 SHA-1: 43ab6f267df33ee7ddfbd10b3fe1d1a0bd312847 SHA-256: bbb08502eb3018d61b541c4386dfb5290333f50d8f3fec922f0105ec6ea4610c
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document body, though heavily obfuscated, contains text related to 'Wd tv live media player troubleshooting', suggesting a lure to trick users into clicking the embedded external URI. The heuristic 'SE_MFA_LURE' indicates the document is designed to harvest credentials or abuse multi-factor authentication, a common tactic in phishing campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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=wd+tv+live+media+player+troubleshooting
    • https://cdn.sqhk.co/rapovebakeb/9yicmgc/z_nation_season_3_10k_death.pdf
    • https://pafufido.weebly.com/uploads/1/3/1/4/131407890/7095807.pdf
    • http://creditreportusa.info/vazabegebolazejatalonobatl1wn8.pdf
    • https://cdn.sqhk.co/gupetipek/hiibWXZ/age_of_conquest_europe_mod_apk.pdf
    • http://idealica-italiaufficiale.website/reading_passages_and_questions_for_5th_grade_online9gwrs.pdf
    • https://junimadegerozo.weebly.com/uploads/1/3/4/0/134096607/02ddca1c.pdf
    • https://cdn.sqhk.co/kivipemo/CsqibHb/duzibadufefubonatamarukez.pdf
    • http://fabimepela.22web.org/xijuloguwefezutodatas.pdf
    • https://cdn.sqhk.co/devisofage/p7Vjeig/abc_7_new_york_schedule.pdf
    • http://wevoselaxoto.66ghz.com/colored_tempered_glass_sheets.pdf
    • http://vuzisebepuda.iblogger.org/rerefesixukotuwosefonexi.pdf
    • http://arenda-comp.space/tovojejubarobubadizituba7ukzt.pdf
    • http://liwuzagesasa.22web.org/lolenotubidolelunaloxinow.pdf
    • http://pmaider.com/kenmore_upright_freezer_model_253_problemsndb5z.pdf
    • http://wersita.space/dusagesuboqeniv.pdf
    • http://lastmarkt.ru/wawizenotnbuv.pdf
    • https://cdn.sqhk.co/vinasujitupe/xLibqSV/20837558984.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/dejazuvorira/madame_bovary_book_cover.pdf
    • http://varupijijajeb.rf.gd/medical_laboratory_equipments_and_their_uses.pdf
    • https://s3.amazonaws.com/nilititonawafim/fexifejugipiworumenurudow.pdf
    • https://s3.amazonaws.com/faluzotixupi/maziletesovubirif.pdf
    • https://s3.amazonaws.com/nevowimo/film_frozen_flower_bahasa_indonesia.pdf
    • https://s3.amazonaws.com/lolijexejomak/esc_guidelines_peripheral_arterial_disease_2017.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_off0000f00f.bin
8d93b70d685028c967629c27c2172947b98f47b75e461fda006ac48696d8b35c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF00F 5688 bytes
font_01_sfnt_off0001034a.bin
f928a9e1932672fc12eb6404b399f9581de4ad60f8085429c423a686afab0cf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1034A 10616 bytes

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