Malicious PDF — malware analysis report

Static analysis result for SHA-256 6943292bc20b019f…

MALICIOUS

PDF

78.2 KB Created: 2021-04-20 12:17:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f56cead89ab4eec27798f62a08c2f255 SHA-1: b020d515876b8dcb0d4c383c7ebf70989a9b85d7 SHA-256: 6943292bc20b019f195ea3de0a6fa6e512bc3e473cfd7c2cde81068e9f5554ba
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains an external URI pointing to a suspicious domain, likely intended to host or redirect to a malicious payload. The document body, though heavily obfuscated, contains references to 'Dds discount near me hours' and application metadata, suggesting a lure to entice users. No scripts were extracted, but the presence of external URLs and the high confidence detection indicate a malicious intent, likely related to phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://xezojetit.ru/strik?utm_term=dds+discount+near+me+hours
    • http://xtw2.club/thermostat_stc_1000_problem11fuh.pdf
    • http://all-system7.xyz/can_i_sims_4_without_originr5riu.pdf
    • http://ashotik.space/rusenejenotedovoxikuh6u7.pdf
    • http://nukels.xyz/33540918044auge8.pdf
    • http://premium-cinema.com/como_retirar_tinta_de_impressora_da_pelewc8as.pdf
    • http://bet-info.ru/satovebebazojiravipoirgf.pdf
    • http://sowipilarow.mygamesonline.org/mang_cavaleiros_do_zodiaco_lost_canvas.pdf
    • http://my-favshopc.online/chalo_2018_telugu_movie_english_subtitlesldtgu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/4e12d0e5-a6d8-40cc-a663-39799c3d6e0b/advanced_dungeons_and_dragons_3rd_edition_players_handbook.pdf
    • http://bexexakik.myartsonline.com/aptitude_test_with_answers_for_tcs.pdf
    • https://uploads.strikinglycdn.com/files/0964f837-010e-4fd6-a142-6abc5d4622db/philips_norelco_aquatec_shaver_charger.pdf
    • https://s3.amazonaws.com/xipavir/32035337245.pdf
    • http://dukidejulorib.epizy.com/manualidades_con_material_reciclado_para_nios_de_primaria.pdf
    • http://tolojusoju.rf.gd/63144645782.pdf
    • https://s3.amazonaws.com/tevomenil/how_to_do_a_voltage_drop_test_on_fuel_pump_relay.pdf
    • https://s3.amazonaws.com/lowuwofuxali/esmo_guidelines_gestational_trophoblastic_disease.pdf
    • https://s3.amazonaws.com/wuwabobujasivor/best_mods_for_fallout_4_2020.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e655.bin
f16c3b1b9cbfbd7f5b2aef8c4d5447105306d960f888a67710dcb1bb7330fdb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE655 5028 bytes
font_01_sfnt_off0000f739.bin
e25c537a0cb4876afc85f39fce0da740c1622c06014acf2212bbf205de37f852		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF739 11548 bytes
font_02_sfnt_off00011dee.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11DEE 4324 bytes

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