Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d06b7bbc5aa2868…

MALICIOUS

PDF

72.2 KB Created: 2021-02-17 20:40:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 290ddabc578d301458918515b228e4ea SHA-1: e8a06011c98658743d0e0cd197c933f6ecd2df83 SHA-256: 0d06b7bbc5aa2868f8e6a4aacc28918e9d1912ae2de29aa7fca4d1a08f861b7b
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8024

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://leonvi.ru/strik?utm_term=ariston+washer+dryer+combo+armf125+manual PDF link annotation
    • http://xilutemomeliro.iblogger.org/agent_vinod_movie_video_songs.pdfIn PDF document text
    • http://flymoney.net/after_book_series_parents_guide269un.pdfIn PDF document text
    • https://cdn.sqhk.co/duponetix/iIAqhBM/alienware_laptop_charger_best_buy.pdfIn PDF document text
    • http://tryici.xyz/52564288431l20k.pdfIn PDF document text
    • https://cdn.sqhk.co/vujagefamig/jegeifY/rocket_royale_download_for_android.pdfIn PDF document text
    • https://cdn.sqhk.co/dixejetafap/HDyygc4/vasafasugiv.pdfIn PDF document text
    • http://the-job.ru/adobe_reader_free_for_android0ok10.pdfIn PDF document text
    • https://cdn.sqhk.co/josedinis/Vjerhea/fun_things_to_do_seattle_covid.pdfIn PDF document text
    • http://cardioactiveufficiale.site/watch_transporter_2_onlineews09.pdfIn PDF document text
    • https://cdn.sqhk.co/zaborofisi/hehegex/w3schools_php_array_search.pdfIn PDF document text
    • https://cdn.sqhk.co/wazikunal/63Z9Qge/russian_car_drift_3d.pdfIn PDF document text
    • https://cdn.sqhk.co/dedizozife/v4haqii/dark_side_of_the_ring_season_2_stream.pdfIn PDF document text
    • http://podorokufexapal.iblogger.org/xisobuzofojinisep.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/platformio_vscode_upload.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/doterra_brevi_diffuser.pdfIn PDF document text
    • https://s3.amazonaws.com/geraromu/bsc_bed_syllabus_2019_rajasthan_university.pdfIn PDF document text
    • http://sesisat.epizy.com/ceinture_orange_krav_maga.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/does_burger_king_have_a_fish_sandwich.pdfIn PDF document text
    • https://s3.amazonaws.com/salade/98629323697.pdfIn PDF document text
    • http://jenepopavuse.epizy.com/john_deere_240_lawn_tractor_owners_manual.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f6fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6FB 5892 bytes
SHA-256: a005ab85946c93a978e0da5ab6cd6bee5dbf9ac35ef2e93332125354cb336394

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