Malicious PDF — malware analysis report

Static analysis result for SHA-256 3227df1e200d0946…

MALICIOUS

PDF

76.8 KB Created: 2021-03-15 11:50:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: d0bc0825aac975fa7eab5fdba22676ac SHA-1: 020891403b4a67f3fe03e5cf4e80aba55afa896c SHA-256: 3227df1e200d09469ebfb78a662fdd3e22561e0b5b8ed3b7703f1801e3188d55
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website related to 'unblocked scary horror games'. This URL, along with other suspicious URLs found in the document, suggests a phishing or social engineering attempt to trick users into visiting potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://pelibifir.ru/wix?keyword=unblocked+scary+horror+games PDF link annotation
    • http://konolux.medianewsonline.com/how_do_i_reset_my_waste_toner_box.pdfIn PDF document text
    • http://wunuvuzixuxi.getenjoyment.net/89254669429.pdfIn PDF document text
    • http://suvolupijiro.mygamesonline.org/2020_telugu_calendar_with_holidays.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426421/normal_5fee545f64e93.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374185/normal_5fcf9a6e87b42.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495696/normal_60322445764b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407813/normal_6019a12032814.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/bezutu/harmony_dreamtime_elite_comfort_high_back_booster_seat.pdfIn PDF document text
    • https://s3.amazonaws.com/nuvukivaxiren/50712047588.pdfIn PDF document text
    • https://s3.amazonaws.com/kakekojezutok/vurutidodojogijepodiziti.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/necromancy_wizard_guide_5e.pdfIn PDF document text
    • http://mixezized.myartsonline.com/5567893417.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/4213085765.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74c28af0-a440-4a47-bfb0-4d51d8c5f8e5/64276270548.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/godexelemisizixunini.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93af9284-528b-441f-819b-1d38c0b1cc18/childrens_bible_stories_read_aloud_online_free.pdfIn PDF document text
    • https://s3.amazonaws.com/dipafuxe/rarowinutijuzupujadax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00a718fc-7588-4848-b1e7-e69392ff51ce/spiritual_meaning_of_teeth_falling_out_in_dream.pdfIn PDF document text
    • https://s3.amazonaws.com/voxulija/decimals_worksheets_year_7.pdfIn PDF document text
    • https://s3.amazonaws.com/wekibik/87014323424.pdfIn PDF document text
    • https://s3.amazonaws.com/lijulijowivaze/jufase.pdfIn PDF document text
    • https://s3.amazonaws.com/liwafo/fraction_wall_worksheet_ks2.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_off0000e0d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D3 5312 bytes
SHA-256: 9c1b41aa721bbad9384576f62b8278c64ad88f29466ba5449c9723e5166e50f2
font_01_sfnt_off0000f2aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2AA 10772 bytes
SHA-256: ee0a67a40be0ef4b79a57be28e1ddfc8dbea542ad740a9d423b019900ced9855
font_02_sfnt_off0001175c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1175C 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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