Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f4d00be51412857…

MALICIOUS

PDF

105.7 KB Created: 2020-09-28 21:44:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 016d0c0c5c80caa71f04c16100169833 SHA-1: 16e59ecf63ebde4e6934d46e86b09313eac03b8e SHA-256: 2f4d00be5141285743b3566286e179dc880051f43eeebd06bec304b17203a964
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ggtraff.ru/mozel?keyword=ascii+code+table+pdf', is the primary indicator of malicious intent. This suggests the document is designed to lure users to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ggtraff.ru/mozel?keyword=ascii+code+table+pdf
    • http://files.joshandsue.com.au/uploads/1/3/1/3/131379085/7821423.pdf
    • https://site-1036644.mozfiles.com/files/1036644/belukotororusexumal.pdf
    • https://site-1036850.mozfiles.com/files/1036850/dojolagolukikepuruxus.pdf
    • https://site-1036743.mozfiles.com/files/1036743/11938588543.pdf
    • https://site-1036632.mozfiles.com/files/1036632/fetuvomeridomog.pdf
    • https://site-1037071.mozfiles.com/files/1037071/jojafavimobexo.pdf
    • https://site-1036936.mozfiles.com/files/1036936/74249415745.pdf
    • https://site-1036681.mozfiles.com/files/1036681/rafuzasakagusuzuvojun.pdf
    • https://cdn.shopify.com/s/files/1/0440/5595/3558/files/lullaby_and_goodnight_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0440/6122/9208/files/kirby_dream_land_3_snes_rom_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0430/8697/1029/files/26623492570.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012a49.bin
159f55f93657ae145981cd837ae7f649dd51e8481ea32791fd94d3c8a86ec7ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A49 5184 bytes
font_01_sfnt_off00013bfb.bin
bf1a494326432719ed8155cd6526253e1fdd322fdfc9a190bfc10ae421ba2d73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13BFB 12760 bytes
font_02_sfnt_off000167a6.bin
9f967f863aeda866cf24f3124e023f0fb31b0c4f3c2ce1fbaf425a601567ba4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x167A6 16200 bytes
font_03_sfnt_off00017cdf.bin
060c5e59866a4401face296af37f6f589e199e9c6de5f91ae6a5259740fd6819		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17CDF 13500 bytes

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