Malicious PDF — malware analysis report

Static analysis result for SHA-256 00b9e200769ef6a5…

MALICIOUS

PDF

95.2 KB Created: 2021-03-18 03:09:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 281bd89b7441e8a97b9c7f2785fc2e58 SHA-1: 9c7b093ab9b91dd1f776ca82c011cc400f3ae0bb SHA-256: 00b9e200769ef6a547c74a2e88394c2c7afadf782db28d3d36dc4367d1d684e5
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, 'botokaw.ru', which is likely part of a phishing or scam campaign. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, potentially leading to further compromise.

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://botokaw.ru/strik?utm_term=what+is+margin+of+safety
    • http://kusafomidufe.mywebcommunity.org/guide_to_intermittent_fasting.pdf
    • http://ravovenovibu.medianewsonline.com/how_to_write_roman_number_100.pdf
    • http://rakojegad.22web.org/the_amarna_letters_moran.pdf
    • http://zedukibawubige.22web.org/98008712863.pdf
    • http://bugosegu.scienceontheweb.net/ar_15_double_magazine_connector.pdf
    • http://muzibatixabu.mypressonline.com/36040172648.pdf
    • http://ditoterelutas.sportsontheweb.net/gajumu.pdf
    • http://gagimubu.mywebcommunity.org/4520591002.pdf
    • http://dotekebenutedex.scienceontheweb.net/98151183810.pdf
    • http://sportita.fun/28071066419iq4wk.pdf
    • http://hyipinvest.site/jobs_for_foreigners_in_colombiafuz0p.pdf
    • http://barajofa.mywebcommunity.org/how_to_teach_text_structure_3rd_grade.pdf
    • http://fesunasisodenod.getenjoyment.net/koxesilofefebabima.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/44c47b5d-ca48-49d8-82b3-d9086ec16da4/what_to_order_at_buffalo_wild_wings_keto.pdf
    • http://xalixonawi.atwebpages.com/lathe_cutting_tool_geometry.pdf
    • http://kaloruligot.onlinewebshop.net/el_pequeo_vampiro_y_el_paciente_misterioso.pdf
    • https://uploads.strikinglycdn.com/files/b9ef5d7d-0258-4871-b84d-85bc4b3e6416/ragifejibaditexivokezurum.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_off0001372e.bin
2b97f4ea41aa9b8a0aed32737b5f0aed8e22712d6de910c206cdd2e48c022cd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1372E 5264 bytes
font_01_sfnt_off00014902.bin
69cc8da962cd14fca22e95db0ac4d51f60c05ef8e9c2f34ff6ca3954e4269cfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14902 11496 bytes

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