Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d17390871ef0903…

MALICIOUS

PDF

156.8 KB Created: 2021-03-24 11:44:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d190b0eec6ac81149c34780d459d65e8 SHA-1: 54ff7d0f15572fa6995af4b57c62524f28f444f5 SHA-256: 9d17390871ef09030c6b99bb33d7f63efc22e11b69ce76eab54ca877add9711e
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL points to a domain known for hosting malicious content, likely serving as a lure for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://botokaw.ru/123?utm_term=film+bioskop+indonesia+posesif+full+movie
    • https://cdn.sqhk.co/jebixusugak/xrggqhg/flix_movie_times_el_paso.pdf
    • https://cdn.sqhk.co/webuzifinuno/Cjcjjjj/game_of_thrones_cast_season_7_imdb.pdf
    • https://cdn.sqhk.co/putuziboki/hjeAifr/poly_jigsaw_low_poly_art_puzzle_games.pdf
    • http://gumasuk.iblogger.org/gepopazevon.pdf
    • http://winatesef.sportsontheweb.net/why_the_rich_are_getting_richer_robert_kiyosaki_download.pdf
    • https://cdn.sqhk.co/rureroso/Zr1MifP/case_22_international_business_machines_ibm_corporation_2015.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://ac3db616-04cb-40f1-8357-c67041f5e20c.filesusr.com/ugd/eda9ba_9873d7fcd6e6468fac9e9835db21232e.pdf?index=true
    • https://s3.amazonaws.com/fifomi/skyjack_wont_go_up.pdf
    • https://s3.amazonaws.com/baxekojojexusol/does_ruger_still_make_the_mini_14.pdf
    • http://kivazitegolaluz.rf.gd/what_does_20_000_leagues_under_the_sea_mean.pdf
    • http://rixibedi.onlinewebshop.net/achtung_cthulhu_savage_worlds.pdf
    • http://tofujuwo.onlinewebshop.net/audi_q5_2020_owners_manual.pdf
    • http://mirimanomuropa.rf.gd/how_do_you_draw_a_mandalorian.pdf
    • http://satogitexuvo.myartsonline.com/will_there_be_another_series_of_what_we_do_in_the_shadows.pdf
    • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_4f59e9465e52419b8d209dc8c8229a8c.pdf?index=true
    • https://s3.amazonaws.com/xefezesebusu/yamaha_rx_v385_price_in_philippines.pdf
    • https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_127a8a8852ed4b6c96deabbb87aa7e85.pdf?index=true
    • https://0bdb67af-4c57-4a6e-9706-714cc80719f5.filesusr.com/ugd/fc840b_09bf77b115c04a21ad06d524b0b4efaf.pdf?index=true
    • http://xujided.onlinewebshop.net/polar_auxin_transport.pdf
    • https://8e75e8be-0f37-480b-85ac-641553c1acf9.filesusr.com/ugd/a4a1ce_d0a49c008dec4e498537e1706b66165b.pdf?index=true
    • https://s3.amazonaws.com/nasitevu/how_to_adjust_skmei_digital_watch.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_off00022cdc.bin
934d6b0bec7ec4661987f1a082f036da41836bc3d0ed4eb27b524b1750d5af98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22CDC 5312 bytes
font_01_sfnt_off00023ede.bin
53511dcced1bd18831b0021e45b498d0d0100f4adac6f91343631ad66ad864dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EDE 11268 bytes

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