Malicious PDF — malware analysis report

Static analysis result for SHA-256 d00b0b3af6125864…

MALICIOUS

PDF

90.5 KB Created: 2021-02-17 16:46:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 06c6a4473b49f7ac381d3503b1e09634 SHA-1: b1a5da97305243036bbb19da5b44062e38a18c72 SHA-256: d00b0b3af6125864316390dfba7eba91aed9a53715adb4567fa57b753d1ed0d8
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://leonvi.ru/strik?utm_term=english+short+stories+series+level+1 PDF link annotation
    • http://all-system7.club/26586097872yqrqb.pdfIn PDF document text
    • http://idealica-official-it.website/esma_remuneration_guidelines_aifmday98m.pdfIn PDF document text
    • http://nyvelsets.online/explicacion_del_libro_de_apocalipsis5dlxi.pdfIn PDF document text
    • http://eroganoficial.site/videos_like_de_amor_cortosvbh4s.pdfIn PDF document text
    • http://gutprod.xyz/bulupopetuxoxevamogevi0g920.pdfIn PDF document text
    • http://gikadoketu.iblogger.org/nifanujozezodomigema.pdfIn PDF document text
    • https://cdn.sqhk.co/nusideja/bbicGhb/tsp_using_ant_colony_optimization.pdfIn PDF document text
    • http://senteber.site/apostila_de_capacitoresatzvg.pdfIn PDF document text
    • http://cooldomen.space/patricia_benner_nursing_theory_metaparadigm2sx4k.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/rumezo/tuxawer.pdfIn PDF document text
    • https://s3.amazonaws.com/fovezewi/bamini_software_free_for_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/luxaduzimase/anywhere_elementor_pro_free.pdfIn PDF document text
    • https://s3.amazonaws.com/luropiw/mozozituzubapebarusuna.pdfIn PDF document text
    • http://zapofekeba.rf.gd/80706447988.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzufexarevima/alcatel_go_flip_manual.pdfIn PDF document text
    • http://mulukamuzadesew.epizy.com/abstract_nouns_worksheet.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_off000125b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125B2 4804 bytes
SHA-256: 77d35f011218e818052ead8b202b412479e0e57daf4ebb6156411668a1d20b10
font_01_sfnt_off00013618.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13618 10916 bytes
SHA-256: 527773151a493dcdd21011407b96b54549f1c5c0f32c24584b698b9051e32875

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