Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fffededc39734b2…

MALICIOUS

PDF

185.0 KB Created: 2015-07-23 20:59:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1c38fa060aed0735ba10a7407d19758d SHA-1: 7ea7359cb18cad698d2a5a081eb930bbf72bba87 SHA-256: 6fffededc39734b2223f890a898411fddf65ae5efcf9114b48cd994aa07e3a27
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or social engineering attack.

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%B2%D0%BE%D1%80%D0%BE%D0%BD%D0%B8%D0%BD%D1%8B+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184542_pribuylnuyy_internetmagazin_pod_klyuch_kurteev_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183252_proekt_doma_yelbrus.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024271.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24271 3556 bytes
font_01_sfnt_off00024ff4.bin
1ec27e789f319cbbf7f0d83ac20e3843915e09c74049a4a50f02db234f2d7660		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FF4 14420 bytes
font_02_sfnt_off00027d3b.bin
b1e1cc546f0f1eacb0fa825f4ffec9a121aa6720056131ecd420011035d35d0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D3B 14680 bytes
font_03_sfnt_off0002a801.bin
0cd3571b1666140d0008e60387855e6e52a71e361b8265ae7b7bbd8964dee66b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A801 6484 bytes
font_04_sfnt_off0002ba5a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA5A 6084 bytes
font_05_sfnt_off0002c9ef.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9EF 3752 bytes

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