Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ba1cfe110a342d2…

MALICIOUS

PDF

79.8 KB Created: 2021-03-01 06:43:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 14bf9109ccd69ec42f0bd1060001075b SHA-1: a0a16c942a2c1fbb86331e2271988527542b10fc SHA-256: 6ba1cfe110a342d2be3f6f0933dfc1faa8c5249f0a8b6d7b7b2723e906f2f52d
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a malicious domain, likely intended to phish user credentials or deliver a secondary payload. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains text related to search queries, suggesting a social engineering lure.

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://druttle.ru/strik?utm_term=what+are+great+netflix+series PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4427781/normal_5fce102ac96c0.pdfIn PDF document text
    • https://cdn.sqhk.co/vugomupuzisa/hehgdLg/56232971407.pdfIn PDF document text
    • http://cyberlife.store/607034788377b820.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381082/normal_6015b4ca4e5e2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418556/normal_5fd1c3b4517d7.pdfIn PDF document text
    • https://cdn.sqhk.co/dizoketa/YCNTAJ2/160006613.pdfIn PDF document text
    • http://vienvozvrat.site/sql_select_format_number_with_commas5al31.pdfIn PDF document text
    • http://salopkisa.website/harlem_langston_hughes_analysis_deutschiud8b.pdfIn PDF document text
    • http://dezlice.ru/amrita_nayak_all_songab705.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404964/normal_5ff1309b2dd8d.pdfIn PDF document text
    • https://cdn.sqhk.co/tubafejog/S9Vhhh2/kurojisowo.pdfIn PDF document text
    • http://pixell.store/110417484944m6tx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408471/normal_601ce67aa7d9c.pdfIn PDF document text
    • http://buytoday.cc/cissp_exam_prep_books9hmef.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/jevelel/nofawikatukidofi.pdfIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/71150671154.pdfIn PDF document text
    • https://s3.amazonaws.com/risisipajole/buzipejex.pdfIn PDF document text
    • https://s3.amazonaws.com/litunux/25606233285.pdfIn PDF document text
    • https://s3.amazonaws.com/xijalovelokolep/nepajuke.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_off0000fbf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBF6 5112 bytes
SHA-256: 202422fd4b582d64ae55c6c56ad72f8c42def976211bf4be6d2772ec234b6741
font_01_sfnt_off00010d69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D69 10728 bytes
SHA-256: e695f9d63425448bae75bfddf0208f2ee776809a73f4f6efcaf233f1d01aed92

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