Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa6cf2c77755d970…

MALICIOUS

PDF

185.5 KB Created: 2015-07-24 05:38:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3207e5950f1732be23649900067a89de SHA-1: 290dacb4988fe3dc990aaad8ebff1f071ddc35d2 SHA-256: fa6cf2c77755d9709c7903d2479671d05415701126c39848e9edcfa6721b6325
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. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware distribution. No scripts were extracted, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B4%D0%BD%D0%B5%D0%B2%D0%BD%D0%B8%D0%BA%D0%B8+%D0%BF%D0%BE+%D0%BB%D0%B5%D1%82%D0%BD%D0%B5%D0%B9+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B5+%D0%B2+%D0%B4%D0%B5%D1%82%D1%81%D0%BA%D0%BE%D0%BC+%D1%81%D0%B0%D0%B4%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188069_kak_podgotovitsya_k_egye_po_biologii.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184769_otvetuy_na_biletuy_pdd_2014_tablica_shpargalka.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186332_prodazha_informacii_v_internete_ot_a_do_ya_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024433.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24433 3556 bytes
font_01_sfnt_off000251b6.bin
00fab2b99eb95f790178e95f58e2a87be1762cfaa0de7ccc10596f69f73533e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251B6 14240 bytes
font_02_sfnt_off00027e84.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E84 14468 bytes
font_03_sfnt_off0002a937.bin
f5dc156f997f7c1eb185d3d300b514fc26f3994023ab9c1576f6b09703078562		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A937 6624 bytes
font_04_sfnt_off0002bc29.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC29 6084 bytes
font_05_sfnt_off0002cbbe.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBBE 3752 bytes

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