Malicious PDF — malware analysis report

Static analysis result for SHA-256 33624f174a12ecff…

MALICIOUS

PDF

93.9 KB Created: 2021-02-12 13:27:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae3296bffc9dcbd96efb6c890ef52ca1 SHA-1: 44356afb0bb47c0767666b77bf7cf10d0a555d1f SHA-256: 33624f174a12ecffde4d6db9fc7975d24d0b7d41c534b027f6eae4d44dd44e1a
136 Risk Score

Malware Insights

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

The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier with high confidence. It contains multiple embedded URLs pointing to potentially malicious domains, including one that appears to be a phishing lure related to 'animal crossing pocket camp cheats'. The presence of 'LOLBin token sequence' suggests attempts to execute commands or download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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=animal+crossing+pocket+camp+cheats+2018
    • https://remogomati.weebly.com/uploads/1/3/4/7/134748537/deraz_sigebezubeku_pumomexob_ripapaxim.pdf
    • http://studytogether.fun/mcat_practice_test_questionsyttyp.pdf
    • https://cdn-cms.f-static.net/uploads/4476011/normal_60158d00840da.pdf
    • http://beautysss.site/braun_differential_equations_and_their_applicationspj4d4.pdf
    • http://lovechat24.club/werogukobuzawgetj7.pdf
    • http://disconto50.pro/upkar_full_movie_720pqr79i.pdf
    • https://static.s123-cdn-static.com/uploads/4501645/normal_5fdeb4f4c6e4f.pdf
    • https://zuwukozoxuwiged.weebly.com/uploads/1/3/4/7/134713444/xumalujuwiles_xoveve.pdf
    • http://xelirap.22web.org/hp_pc_diagnostics_usb_key_user_guide.pdf
    • http://shortsomfj.space/jibumobakowinajunekupu135gj.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/biwuwukesazef/jaguar_car_hd_wallpapers_1080p.pdf
    • https://s3.amazonaws.com/pazatuv/24317745525.pdf
    • https://s3.amazonaws.com/jarirotexab/ankhon_dekhi_full_movie_free_mp4.pdf
    • http://nixevafuzija.epizy.com/moment_convert_to_iso_format.pdf
    • http://guxozuzemonixe.epizy.com/similar_android_games_to_summertime_saga.pdf
    • http://zikenonuto.epizy.com/assessable_spouse_election_form_where_to_send.pdf
    • http://wapugabidojako.rf.gd/pacman_games_free_for_pc.pdf
    • http://puvuwanixos.rf.gd/alpha_symbol_vector_free.pdf
    • http://gipizaz.rf.gd/rutumenawowilesok.pdf
    • http://japunulu.rf.gd/33627616928.pdf
    • https://s3.amazonaws.com/tesasubawalozan/64489352047.pdf
    • http://kadekosaraf.epizy.com/kekaha_kauai_surf_report.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_off00013165.bin
b386e1432ad20499d1c2633d035f04685cac932d2fb6e2aec640d3515d0750cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13165 5920 bytes
font_01_sfnt_off0001455e.bin
97a56b87d184bfb9777561c89944515251dd978e6cb43f4e00045176ef96fbed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1455E 10640 bytes

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