Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ee6a49e26e7ed15…

MALICIOUS

PDF

145.4 KB Created: 2021-02-23 02:42:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 8d18bb8540df62e69bc0133bc8aee58a SHA-1: 2bef1094fb3e9f4a3dc776d3911f0ca9fee986b7 SHA-256: 2ee6a49e26e7ed15fdf5673e452883580c6d2b841d7a324fc3d73290010dc343
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. ClamAV detection and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, appears to contain metadata related to its creation, suggesting it was generated programmatically to host the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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+is+the+storyline+of+the+nutcracker PDF link annotation
    • http://remontlegko.info/62426957077kowy3.pdfIn PDF document text
    • https://tudegikugil.weebly.com/uploads/1/3/5/3/135317618/tuzak.pdfIn PDF document text
    • https://vuzupugum.weebly.com/uploads/1/3/1/4/131453250/ec8b4.pdfIn PDF document text
    • https://cdn.sqhk.co/mezutowede/fjiCvhi/tom_gold_run_games_free_download.pdfIn PDF document text
    • http://getveran.site/sarolibunixakaxp4jeh.pdfIn PDF document text
    • http://galoomer.online/startup_owners_manual_checklistsemjjv.pdfIn PDF document text
    • http://hookup673.site/antivirus_for_pc_windows_7_filehippoe42p7.pdfIn PDF document text
    • https://vozozexofevufut.weebly.com/uploads/1/3/1/8/131871902/1499eb84.pdfIn PDF document text
    • https://gomimujexewawid.weebly.com/uploads/1/3/1/0/131070583/581650.pdfIn PDF document text
    • http://runmasten.online/55548720423p93yr.pdfIn PDF document text
    • http://com-signto2.xyz/colon_polyps_symptoms_merck_manualwhupz.pdfIn PDF document text
    • https://zetoruribafepa.weebly.com/uploads/1/3/1/4/131452904/b1374d.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/pulavokaxe/vimam.pdfIn PDF document text
    • https://s3.amazonaws.com/xuvamuba/38740783706.pdfIn PDF document text
    • https://s3.amazonaws.com/wiremeresegikon/55732005289.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/22283158932.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001d85f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D85F 5148 bytes
SHA-256: 90a31fc69ce9d76afcb5f95fc6b2119b75f3a7fe0f714c7f3d2a018a59a32326
font_01_sfnt_off0001e9f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E9F2 19168 bytes
SHA-256: c940f142024d23e9c0070d2a5f654e326346544d1d6ea9caa2847727c0d76277
font_02_sfnt_off000222ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x222BA 16120 bytes
SHA-256: 2cfc97915d250804213c9b0e6ad261e0979cd38371fb36ec9174dea58a153a3e

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