Malicious PDF — malware analysis report

Static analysis result for SHA-256 20136a2d346702bd…

MALICIOUS

PDF

85.2 KB Created: 2021-03-23 09:49:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cf9dd89fbb045b864270d54af4d30dcf SHA-1: 33ac76c7cb779159394131d81d97f8fd0fcea3df SHA-256: 20136a2d346702bd59d22d714c5838e1f7e2a5e71b7fb8de26acaa714d5b0671
96 Risk Score

Malware Insights

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

The file is a PDF document that contains numerous embedded URLs, many of which point to potentially malicious or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains references to 'Dragon ball xenoverse 2 dlc trophy guide', suggesting a lure to entice users to download or interact with malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://ponafet.ru/wix?keyword=dragon+ball+xenoverse+2+dlc+trophy+guide
    • http://yourlivehelp.com/get_derogatory_marks_removed_from_credit_reportk33ev.pdf
    • https://pexasuwen.weebly.com/uploads/1/3/4/5/134593650/9965043f14a.pdf
    • http://heleogose.online/guvofomarifewiporep1dho.pdf
    • https://cdn.sqhk.co/jojojidatun/gihcPid/kick_the_buddy_forever_game_online.pdf
    • https://cdn.sqhk.co/xewafazuk/ctxPYpd/banco_do_brasil_salvador_shopping.pdf
    • https://zukigepuzena.weebly.com/uploads/1/3/4/5/134593101/mafok.pdf
    • https://pugoxadegile.weebly.com/uploads/1/3/1/3/131379866/bisejutu-ziwijovexi.pdf
    • http://glasshookahcatering.com/caloric_heritage_series_gas_stove_igniterd9zs0.pdf
    • https://cdn-cms.f-static.net/uploads/4458829/normal_601e0c7e767fb.pdf
    • https://cdn.sqhk.co/rawewosit/CkHKhdX/81897905762.pdf
    • https://firiwipavixura.weebly.com/uploads/1/3/1/4/131407767/c74dd0705.pdf
    • https://cdn-cms.f-static.net/uploads/4413109/normal_6011e26fb1106.pdf
    • https://cdn.sqhk.co/xalesikozip/P3SNhjb/essential_anatomy_5_app_free.pdf
    • https://makifilibavik.weebly.com/uploads/1/3/5/3/135383918/508cc5510.pdf
    • http://kenufapozij.22web.org/rheem_rbha_manual.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/rikolesafuwofar/91335242035.pdf
    • http://xajumin.epizy.com/vyprvpn_2._30._0_mod_apk.pdf
    • http://gojejamajutemus.epizy.com/govoj.pdf
    • http://lavuradisaxel.epizy.com/straight_line_graphs_gcse_maths_worksheet.pdf
    • https://s3.amazonaws.com/dabatisew/21015624890.pdf
    • https://s3.amazonaws.com/lixisariwulo/basanta_ese_geche_full_song.pdf
    • http://jiwoxofor.rf.gd/sofizutikorazilosefukowuf.pdf
    • https://s3.amazonaws.com/vapite/nenulobodomeguzosi.pdf
    • https://s3.amazonaws.com/limepusotanal/dk_illustrated_oxford_dictionary_free.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_off00010b0c.bin
690424e4b94bb09e55e5026486df6bb0f3b32ff79a7ec29aea789887bb4f89ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B0C 5836 bytes
font_01_sfnt_off00011ef3.bin
e88aacdfd2a35a59827ff44ba549571be9e24a7b6a5566c4cc6e7046ece16783		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF3 12224 bytes

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