Malicious PDF — malware analysis report

Static analysis result for SHA-256 408aa74d4fd1e76f…

MALICIOUS

PDF

195.2 KB Created: 2020-10-08 12:33:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 990996d5e3d302ac7f57fa1f209a1160 SHA-1: d529af8a02a3208bd8e85e19605e9c78377b5c24 SHA-256: 408aa74d4fd1e76faa85117375eed257ab917a1bce4b47dc0ad01d201d8ae7fa
92 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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://gettraff.ru/strik?keyword=cabala+herm%25C3%25A9tica+pdf In PDF document text
    • https://site-1039162.mozfiles.com/files/1039162/46328759974.pdfIn PDF document text
    • https://site-1043257.mozfiles.com/files/1043257/wojodetogajugitogijaso.pdfIn PDF document text
    • https://site-1038489.mozfiles.com/files/1038489/66577722128.pdfIn PDF document text
    • http://files.starlitelabradors.com/uploads/1/3/0/7/130740073/tajesi.pdfIn PDF document text
    • http://watikibun.stmartindp.com/uploads/1/3/1/3/131383839/bikagikoxula_voziwusu.pdfIn PDF document text
    • https://site-1043329.mozfiles.com/files/1043329/49668136092.pdfIn PDF document text
    • https://site-1041594.mozfiles.com/files/1041594/29397526184.pdfIn PDF document text
    • https://site-1036874.mozfiles.com/files/1036874/sefosusomife.pdfIn PDF document text
    • https://site-1036880.mozfiles.com/files/1036880/lixusogokazikagamikox.pdfIn PDF document text
    • https://site-1039147.mozfiles.com/files/1039147/moxiwimerod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2232/6680/files/capital_gains_yield_formula_excel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/0487/4911/files/jopevupafixisemufiwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9109/9799/files/gitiwimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/8122/0505/files/69875229873.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002ec91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC91 5404 bytes
SHA-256: 1347247ec4a9ccd1bb3b6415ecb8f209b2dbff750896d75dd1c1be591b56af84

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