Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdae1c11e4778f1e…

MALICIOUS

PDF

188.0 KB Created: 2015-07-26 17:00:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 97f7e8f90083ff04467462d11ea42c47 SHA-1: 4f4a526ab848c08c0edbe3b04f4f6868e7376c06 SHA-256: fdae1c11e4778f1eaf72568d6db49f4cb8a0f11fc53b33f842da81e35c2806cf
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The presence of this link suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was not readable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://botcraftman.ru/?lip&keyword=%D0%B0%D0%BD%D0%BA%D0%B5%D1%82%D0%B0+%D0%BD%D0%B0+%D0%B7%D0%B0%D0%B3%D1%80%D0%B0%D0%BD%D0%BF%D0%B0%D1%81%D0%BF%D0%BE%D1%80%D1%82+%D0%BD%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D1%86%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+word+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194088_shkola_pokera_dmitriya_lesnogo_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4209/4209158_otvetuy_po_biologii_egye_2015_30_maya_dalniy_vostok.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185404_ms_project_skachat_besplatno_russkaya_versiya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024b65.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B65 3556 bytes
font_01_sfnt_off000258e8.bin
1c73cddf1f40d9c195b8065ca260157af630f686e19bfb0ec953a530e50c6435		 pdf-font-stream PDF embedded font (sfnt) at offset 0x258E8 14688 bytes
font_02_sfnt_off000286f1.bin
c821eec3b4e9eb738fa5a661a2f40f3108ce92144a842caba4088a967c1d0cb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x286F1 14536 bytes
font_03_sfnt_off0002b1df.bin
378802450f29a9bae69a17a415d90853fe2a89e2e07f6e02163fc60f37704609		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B1DF 7028 bytes
font_04_sfnt_off0002c63b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C63B 6084 bytes
font_05_sfnt_off0002d5d0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D5D0 3752 bytes

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