Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e76d0ccae3714f4…

MALICIOUS

PDF

99.9 KB Created: 2021-02-06 15:39:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: a7d870761eb690f156be897dce1b1f1a SHA-1: cee5eb495bf828da035adfc75002b94dedae68af SHA-256: 1e76d0ccae3714f4c361424c3f601c0980d00ae68f1ce792d879de1f5070884c
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of external URIs and embedded URLs suggests the document is designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'scratches pc game' and application metadata, potentially serving as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wb?keyword=scratches%20pc%20game PDF link annotation
    • https://cdn.sqhk.co/fenazijeguk/LGjeieo/intra-_day_trading_strategies.pdfIn PDF document text
    • http://gladkoe-telo.xyz/37983159579rverp.pdfIn PDF document text
    • https://vatilevemuwaji.weebly.com/uploads/1/3/1/4/131453872/bamek.pdfIn PDF document text
    • http://kataeta.club/767660100hkzkc.pdfIn PDF document text
    • https://sivaxawisebirim.weebly.com/uploads/1/3/1/4/131407763/7982492.pdfIn PDF document text
    • http://sbrf.link/77010353055jat8i.pdfIn PDF document text
    • http://mediaverifiedbadge.com/zenuponexorojegy8c0.pdfIn PDF document text
    • https://cdn.sqhk.co/lasesekov/Ggjkhex/guided_readers_and_writers_fountas_and_pinnell.pdfIn PDF document text
    • http://hookup750.website/the_search_avatar_downloadx0a2l.pdfIn PDF document text
    • http://lnstagramsupportinfo.com/5033245205575ra1.pdfIn PDF document text
    • https://cdn.sqhk.co/pepigovagove/7jcNnhj/free_online_slots_no_downloads_or_registrations.pdfIn PDF document text
    • http://immortal-sho.club/audit_practice_and_assurance_servicesa0uio.pdfIn PDF document text
    • https://bizitaninajoki.weebly.com/uploads/1/3/5/3/135316521/6db2dcc7cadd.pdfIn PDF document text
    • https://cdn.sqhk.co/bifoligi/5geuzlW/tennessee_titans_game_postponed.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/luramamelolem/globo_reporter_nova_york.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/hbse_10th_result_2018_date_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/template_ppt_simple_menarik.pdfIn PDF document text
    • https://s3.amazonaws.com/loneminovu/auditoria_informatica_libros_gratis.pdfIn PDF document text
    • https://s3.amazonaws.com/risisipajole/arm_cortex_a9_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/jupoti/waxapuzawasolunurudize.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_off00014aae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14AAE 5420 bytes
SHA-256: 964487c0bf56324dfc0eba14e3a667433ba0fe40fb0d413b495e276f3e6388e9
font_01_sfnt_off00015cf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15CF0 11040 bytes
SHA-256: eeff29e056142f26cdc34b8b4ecd7f7856a1a9f21a1dc57c79458e643c252daf

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