Malicious PDF — malware analysis report

Static analysis result for SHA-256 dddbaeaa47878d03…

MALICIOUS

PDF

66.8 KB Created: 2021-04-01 00:50:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2bd88b33b5d412d155a60bd040e3f237 SHA-1: f318cef18076ee116d6148b92d59d77b80ca25c6 SHA-256: dddbaeaa47878d03904c5272f15569f9a958818fe436cf2ca02ab460dd347488
114 Risk Score

Malware Insights

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

The file is a PDF document flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The 'SE_CALLBACK_LURE' heuristic indicates the document likely contains a phone number for a callback scam or tech-support pretext. While no scripts were explicitly extracted, the presence of embedded URLs suggests a potential for downloading further malicious content or redirecting the user to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9676

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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://bologen.ru/award?keyword=assembler+pdf+avec+foxit
    • http://polokuvek.iblogger.org/ximaduvupizafopatir.pdf
    • https://cdn.sqhk.co/lumolixuwo/idchihq/fruit_ninja_game_free_download_for_pc.pdf
    • https://cdn.sqhk.co/zevinikiwi/eyD2nya/best_club_penguin_puffle_names.pdf
    • http://pidawiwosoda.iblogger.org/sivosibuvuxajifi.pdf
    • http://dostafood.xyz/nuwikigapexorusudixytjdi.pdf
    • https://cdn.sqhk.co/fomolunuvufa/ageXOpj/free_tubal_ligation_reversal_near_me.pdf
    • https://cdn.sqhk.co/pigexebobe/aPpAAco/mojekoz.pdf
    • http://poguferuliwu.iblogger.org/rogokedepujut.pdf
    • http://fesilibokedej.iblogger.org/topography_of_the_ocean_floor.pdf
    • https://cdn.sqhk.co/kixepijap/qhfhgYX/xamalukewa.pdf
    • https://cdn.sqhk.co/nawovoso/1dja5ij/virtual_drum_set_online_free.pdf
    • http://vertitribe.store/modern_world_history_textbook_9th_grade0390a.pdf
    • http://astrology-personal.online/1964070164z8ezl.pdf
    • https://cdn.sqhk.co/fapolokid/cjcgSHY/nalarinabulibunasunavo.pdf
    • https://cdn.sqhk.co/dedizozife/hbghjLf/icas_maths_past_papers_with_answers.pdf
    • https://cdn.sqhk.co/jesisuvov/AOhjhiz/mechanics_bank_auto_loan_phone_number.pdf
    • http://rejexinek.22web.org/boatsmart_study_guide_2020.pdf
    • http://navaxubigidinaf.iblogger.org/718209558.pdf
    • https://cdn.sqhk.co/wolanojijen/m4FXRjc/vajifapamukijazafuxazub.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zemodofu.epizy.com/electrical_engineering_interview_questions_and_answers_free_download.pdf
    • http://katetagozu.epizy.com/rolejik.pdf
    • http://fudedeki.rf.gd/65235124073.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eabf.bin
d94da125682542b93c7aff6d0656167efc2456b38a2a8a54203bca620e0d0c73		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEABF 5560 bytes

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