Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6dd068d3421ec06…

MALICIOUS

PDF

70.5 KB Created: 2021-02-20 10:29:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 5c73499d80a076dfd5f2053ffcab4c4a SHA-1: 3c2129618be99619d85423b6a96695068d89707e SHA-256: d6dd068d3421ec06785858a405fca090327b0c39126c941f6b75282961bb7e82
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that redirects to a malicious domain, likely intended to host phishing content or further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains keywords related to unblocked games, suggesting a lure to a malicious website.

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/wix?keyword=electric+man+unblocked+hacked PDF link annotation
    • https://sawotulexude.weebly.com/uploads/1/3/5/2/135298589/422ef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404987/normal_5fe7cce7aac9f.pdfIn PDF document text
    • https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/vipowefe.pdfIn PDF document text
    • http://tudewulowas.iblogger.org/niv_bible_offline_free_download_for_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405899/normal_5ff8dc42723e2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452588/normal_5fca216189e36.pdfIn PDF document text
    • https://zekorawuj.weebly.com/uploads/1/3/4/8/134862422/sejulotik_zewedele_nesazaki.pdfIn PDF document text
    • https://sivenusa.weebly.com/uploads/1/3/1/1/131164431/keramog_zonulemig.pdfIn PDF document text
    • https://bowutemol.weebly.com/uploads/1/3/4/2/134234741/bozevup.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383160/normal_600526b46457d.pdfIn PDF document text
    • https://jamafijuzu.weebly.com/uploads/1/3/1/4/131437216/1100642.pdfIn PDF document text
    • https://weralafopibobal.weebly.com/uploads/1/3/4/3/134338927/6522653.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/luropi/b._ed_psychology_books_in_telugu.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/blank_sheet_music_for_guitar_free.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/6771002865.pdfIn PDF document text
    • https://s3.amazonaws.com/mubefula/zolujirujuwip.pdfIn PDF document text
    • http://vasugam.rf.gd/aprendizaje_basado_en_proyectos_acoso_escolar.pdfIn PDF document text
    • https://s3.amazonaws.com/lewuli/85766920841.pdfIn PDF document text
    • https://s3.amazonaws.com/xelimewat/15153959045.pdfIn PDF document text
    • https://s3.amazonaws.com/wujapu/comparing_whole_numbers_worksheets_3rd_grade.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_off0000d8fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8FD 5160 bytes
SHA-256: 190f348a82aa94de41bf590961bc53a8160e3366a67b3d71fd2b2b21ff39edc0
font_01_sfnt_off0000ea5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA5C 10020 bytes
SHA-256: ad8d69cf0fffa2619386526f5a17c5f15fabe2ad416a3c1707374847332d58da

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