Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e6fe9e274729e3…

MALICIOUS

PDF

112.1 KB Created: 2021-04-16 10:32:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 69ca91a3bad8aca08e919d5fe7f0e7a3 SHA-1: 32fb45e01d9ccfdd5a04ef7febe73a78f4151a2d SHA-256: e8e6fe9e274729e3d3d851e01cd1c13bc090ad71966bae8f2b7063d8b4ac7d1f
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 suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the PDF content suggest it's designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

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=the+chronicles+of+narnia+the+lion+the+witch+and+the+wardrobe+trailer PDF link annotation
    • http://zoneeuro.pro/how_to_put_graco_pack_n_play_in_baggeae8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408976/normal_5fd63c988f595.pdfIn PDF document text
    • http://raicen.com/rakibefipuzx77uo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417808/normal_6037c27a5e6dc.pdfIn PDF document text
    • http://look-hotel.com/705559971661tncp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408355/normal_6040f33d04c5d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505102/normal_5ff15f895e703.pdfIn PDF document text
    • http://premial.su/gurosixugafenugizagunumi9j9jg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413017/normal_5fde6c96c0d71.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387806/normal_5fcbd41510a8a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451023/normal_60161e18ab8eb.pdfIn PDF document text
    • http://health-top.ru/55052729812evirt.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413117/normal_5fd76e0499143.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/viboxikuz/oracle_sql_datetime_format_am_pm.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/189f3542-b603-4eed-993b-ea51cc3d823d/dajatewonogasez.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/greenman_investments_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fifomi/zujobowo.pdfIn PDF document text
    • https://s3.amazonaws.com/povelenavuviw/download_sketchup_macbook_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/513b8e93-f630-4a73-8502-70d5673c0a17/sears_12_band_saw_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/wubopubogasurogom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39885d47-a193-48bf-81b8-4b4525cdad93/50757250860.pdfIn PDF document text
    • https://s3.amazonaws.com/sirilagewuga/metrics_and_measurement_worksheet_answers_physical_science.pdfIn PDF document text
    • https://s3.amazonaws.com/debamijizozexo/6674182492.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000168da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x168DA 5080 bytes
SHA-256: 119bd70a5f9aff1e9e098e918d896ff76a230420abe548770e20d08607929fc2
font_01_sfnt_off00017a19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17A19 12508 bytes
SHA-256: 2b4d9e324a3b4555852feb65cf915ad3a2c1c1a5da172c4b03dba878f39544f0
font_02_sfnt_off0001a34e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A34E 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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