Malicious PDF — malware analysis report

Static analysis result for SHA-256 a67b335e84494882…

MALICIOUS

PDF

76.3 KB Created: 2021-03-17 14:07:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44b6d8df7f64a1541dbf866d77d88936 SHA-1: 13e2a396897677a14980b32696e3e201b2bfdef2 SHA-256: a67b335e844948829ff0551e4a6bcb160c4c61d24353fffa0606892a10720fe2
94 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URI that points to a suspicious domain, likely intended to trick the user into downloading further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URI suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8022

Heuristics 3

  • 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
  • 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://vilenefex.ru/award?keyword=metal+forming+technology+book+pdf
    • https://cdn.sqhk.co/xivovido/9pyhhg8/glow_ping_pong_tables.pdf
    • https://cdn.sqhk.co/tiwumixe/fYKhjhd/beauty_fashion_game.pdf
    • http://fiwazurenorin.iblogger.org/will_there_be_a_part_4_of_maze_runner.pdf
    • http://shopsmmv.site/the_selection_series_book_1f7cs3.pdf
    • http://xofofumireke.mypressonline.com/69151273516.pdf
    • https://cdn.sqhk.co/wepigosogo/igIltih/3639197493.pdf
    • https://cdn.sqhk.co/kakapoxavu/jaigwmv/mini_golf_cartersville_ga.pdf
    • http://reduslim-buy.site/74349729538pi5py.pdf
    • http://vowitufafuzebil.scienceontheweb.net/use_of_group_theory_in_daily_life.pdf
    • http://domavera.ru/can_i_have_my_own_router_with_fiosc2sko.pdf
    • https://cdn.sqhk.co/dujovosu/i21gchi/casio_tough_solar_3318_manual.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://80b1f93a-fe74-4439-a81d-34814fa7a505.filesusr.com/ugd/e56fe2_c30c3b8905ab45d9b09343b408982f7e.pdf?index=true
    • https://s3.amazonaws.com/kotenu/42136419885.pdf
    • https://s3.amazonaws.com/pazatuv/55956646195.pdf
    • https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_099a9fcda0034713b4652c30805d15db.pdf?index=true
    • http://tabewewafo.epizy.com/75255868709.pdf
    • https://0df22b04-17ae-4e65-9af8-3af4445b4601.filesusr.com/ugd/71fd01_be2662394e5e4b0b95bc6e6a93683394.pdf?index=true
    • https://s3.amazonaws.com/wazagidonux/akshay_kumar_film_kesari.pdf
    • https://s3.amazonaws.com/memexelu/amiga_kickstart_roms_free.pdf
    • https://s3.amazonaws.com/tugumeb/aleksandar_hemon_knjige.pdf
    • http://xufolat.atwebpages.com/english_writing_spelling_rules.pdf
    • http://rovafitazilom.epizy.com/astm_a370_latest_edition_free_download.pdf
    • http://tenovelipa.rf.gd/rasesiru.pdf
    • http://numifugok.rf.gd/59997382419.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010c8b.bin
e9f9834f2f01e62f8f5c4c3df992006a5ae1d3ef42ac03f9313eff5d507729ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C8B 5700 bytes

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