Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5df2ee0c93e0b36…

MALICIOUS

PDF

80.4 KB Created: 2020-12-17 04:16:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: c6cfdf7effe68a5fd9c9cdf3f98c4ea3 SHA-1: b7ddff3f006f580a32918eda1e1fe688906df487 SHA-256: f5df2ee0c93e0b360d1aa7bb6cfe849069f1fa2e1f81408635e00991bf389154
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 suspicious domain, disguised as a search result for 'splatoon art book pdf'. This URL is likely intended to lead the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://trafficel.ru/123?utm_term=splatoon+art+book+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4413718/normal_5fa9182cbe0d4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409796/normal_5f97c630a1a6f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425921/normal_5f9dd29446821.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406241/normal_5fa07500c6411.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403413/normal_5f98b0224c177.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422620/normal_5fa45554bbeb5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc0dd9b8ef7301f8b108504/t/5fc13c91a97599144e2486f5/1606499474660/jedi_knight_jedi_academy_cheats_not_working.pdfIn PDF document text
    • https://s3.amazonaws.com/jebokizez/54733204660.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc653a7cd1e280355f935b8/t/5fcb669233fb14715cbad0f6/1607165587083/lifalabiwomavefewi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc646218ef7301f8b3592d3/t/5fc9fa8081b71b40859a771a/1607072389281/wijajijagofinetub.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fcf50ae22ab26363263cefe/t/5fd03bb1a91a8d2433743917/1607482298914/33673211538.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e1846b97992eb55bfc03/t/5fc3a6d33570fb44d172fd2b/1606657750385/trucos_de_google_maps.pdfIn PDF document text
    • https://s3.amazonaws.com/zategafozasiru/game_guardian_for_nox_player.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0f769ec917750a3d83c85/t/5fc2f8b84e98326c0273256d/1606613177233/orland_mall_directory_map.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffc42bda9c57a97b92422/t/5fc12efd3570fb44d12d94a5/1606495998245/lg_washer_tub_clean.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9C5 3780 bytes
SHA-256: 188da2df1d1849710c1e1ab34a2657130eb4dbb7206e76066e9286efcde5f6a3
font_01_sfnt_off0000e73f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE73F 5164 bytes
SHA-256: 093fe127cda521cdaddbfd1000dd50717540e33a6945bf005c4bbbdc041412ad
font_02_sfnt_off0000f8db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8DB 10484 bytes
SHA-256: 3a844078953415c17237422bf6eef918a2b6e113a3bab11b6cf34eaa669e69a6
font_03_sfnt_off00011ce7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CE7 16132 bytes
SHA-256: 6820151f9a4816bccc9e85e605aef44ce22c8924dfcccd161584754f275bf028

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