Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbec6b6220dbee76…

MALICIOUS

PDF

76.3 KB Created: 2021-03-11 22:14:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 72ca2fd0711a3104ddddf1f93ddb7d5a SHA-1: 94272f8558fcb2b10e0eafa0b1d66cf886107f23 SHA-256: dbec6b6220dbee76b9f0e6306fb52452b5ef1ea139eb5eb5159745589429f5c5
94 Risk Score

Malware Insights

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

The file is a PDF document flagged by multiple heuristics and a machine learning classifier as malicious. It contains an embedded URI pointing to a suspicious domain, which is likely intended to redirect the user to a phishing or malware distribution site. The PDF structure and content suggest it is designed as a lure, possibly for credential harvesting or further infection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9463

Heuristics 3

  • 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
  • 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/award?keyword=algorithms+in+c+parts+1+5+bundle+pdf PDF link annotation
    • http://tb-films.ru/small_business_marketing_kit_for_dummiesbo3gw.pdfIn PDF document text
    • http://kfcrabota.ru/how_to_enter_bios_setup_in_hp_pavilion_laptopnsyoa.pdfIn PDF document text
    • http://tokesuditetu.getenjoyment.net/pukatebamemonamonew.pdfIn PDF document text
    • http://distornyup.site/rupaul_s_drag_race_season_9_watchjbihq.pdfIn PDF document text
    • http://help-business-media.com/93851838303lai4i.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/wemupajese/ferudiwuxefagujijewilena.pdfIn PDF document text
    • https://s3.amazonaws.com/zewimu/45538727166.pdfIn PDF document text
    • https://s3.amazonaws.com/vuforewebub/84865914719.pdfIn PDF document text
    • http://ladurabazidema.onlinewebshop.net/the_revelations_of_becka_paulson_wiki.pdfIn PDF document text
    • https://s3.amazonaws.com/tugumeb/natasha_bedingfield_these_words_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/how_to_clear_blood_pressure_monitor_relion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb8302ba-4b1c-440c-8772-6c88f2742aa8/panasonic_microwave_oven_fault_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/wunojipu/gusuxisejujeferixonab.pdfIn PDF document text
    • https://s3.amazonaws.com/rizoli/new_bollywood_movies_links.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f9abe69-3ca2-4697-adaa-1abf1ddda749/what_is_family_per_capita_income.pdfIn PDF document text
    • https://s3.amazonaws.com/tonisefoteka/united_airlines_information_telephone_number.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE0E 5756 bytes
SHA-256: 049c553f193d14ce2da4341337b443724e311f8e1e1b165e583a2fa6d2ca0b1e
font_01_sfnt_off00010175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10175 10704 bytes
SHA-256: acb6d9cc0ecb829375d7525fae282a8d0f84d1e8433d3cc9479ae38795c71220
font_02_sfnt_off00012612.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12612 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34