Malicious PDF — malware analysis report

Static analysis result for SHA-256 089b1935e2f2bee0…

MALICIOUS

PDF

79.6 KB Created: 2021-03-17 00:55:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 30fb80ada2aa615381e7deff1e90aa2a SHA-1: ed32d967a0ed44a6829cc819efaf288832386bdd SHA-256: 089b1935e2f2bee057e6f93e1aea7a91c0307495ccd37ff2a58e502a837b4fcc
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that, when clicked, leads to a suspicious domain. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware distribution. The document body, though obfuscated, contains text related to the URL, suggesting a lure to trick the user into visiting the malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/strik?utm_term=what+toppings+does+jersey+mike%2527s+have PDF link annotation
    • https://cdn.sqhk.co/kumotuxijufu/eLidkja/final_order_game.pdfIn PDF document text
    • http://fbdirect.site/rv_camping_checklistx6sp5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422133/normal_5fcdfefa7fb18.pdfIn PDF document text
    • https://cdn.sqhk.co/jetirivotu/epij7ha/subway_surfers_unblocked_online.pdfIn PDF document text
    • http://axecheat5.xyz/how_much_do_natives_get_from_the_government9h7se.pdfIn PDF document text
    • http://help-business-media.com/podcast_script_template_wordzum0a.pdfIn PDF document text
    • http://meetsucre.pro/jaxewetugebi4dpfu.pdfIn PDF document text
    • http://forexgeeks.net/hulu_tv_guide_apple_tvvjlql.pdfIn PDF document text
    • https://cdn.sqhk.co/mewowoji/cjeQ1CV/world_war_z_game_download_for_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/tefozakozup/yhjeghp/best_tile_grout_for_kitchen_backsplash.pdfIn PDF document text
    • http://5coupon.info/el_mundo_de_sofia_online_latinobng04.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478393/normal_5fc9a14b35777.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485942/normal_6003272e51fa3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387813/normal_6029901c3e8ec.pdfIn PDF document text
    • http://fakaripeti.xyz/49288226677tux4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421637/normal_601df9a6bf35e.pdfIn PDF document text
    • http://oyuncuxx.com/voxufefugonogusizuwlspay.pdfIn PDF document text
    • http://1pokypki.website/banner_saga_leveling_guidegunbz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pojakopov.epizy.com/73982874380.pdfIn PDF document text
    • https://s3.amazonaws.com/nolarifaforuxop/bebuxipulonawimajiku.pdfIn PDF document text
    • https://s3.amazonaws.com/verirejon/privacy_engineering_for_system_life_cycle_processes.pdfIn PDF document text
    • https://s3.amazonaws.com/zarevizebi/65734187850.pdfIn PDF document text
    • https://s3.amazonaws.com/rudelazifizuvo/live_indian_tv_channel_apps_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/perform_quality_assurance_itto.pdfIn PDF document text
    • http://zukurofumajigew.epizy.com/wegaxekatavo.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f8a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8A3 5688 bytes
SHA-256: a3f9ea50e53884713ae54643c70b18f3bb81fa5b6272c615dabcdd87d9d07e9a
font_01_sfnt_off00010c01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C01 10800 bytes
SHA-256: 2137bae22a2a0064bf0753438eb7f41ba6069423d66bebeb7efce893883eaf44

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