Malicious PDF — malware analysis report

Static analysis result for SHA-256 7012ba49fda6d8e6…

MALICIOUS

PDF

187.4 KB Created: 2015-07-24 08:49:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0719b857139a2a7059e5c0892644788d SHA-1: efd5d3117af79ab12c5d33fb722ac133e13781ca SHA-256: 7012ba49fda6d8e61a15f89f142f9a98a4245ae8ba6126a0e14a1409bed79c00
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of a malicious link strongly suggests a malicious intent.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD+%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D0%B0%D1%81+%D0%BA%D0%B0%D0%B2%D0%BA%D0%B0%D0%B7+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184420_soni_vegas_pro_11_skachat_besplatno_na_russkom.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186411_skachat_stalker_novaya_voyna_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184640_mahabharata_skachat_torrent.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_off00024924.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24924 3556 bytes
font_01_sfnt_off000256a7.bin
896b317ccf1331765f5142a8e858cb9ce138a84c866299861bc3b1a977818352		 pdf-font-stream PDF embedded font (sfnt) at offset 0x256A7 15208 bytes
font_02_sfnt_off00028642.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28642 14468 bytes
font_03_sfnt_off0002b0f4.bin
ab2d08bd4d87729d91ce63e9f539bcb853f74a4ed1f08ef41a9623c92d8e9597		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0F4 6540 bytes
font_04_sfnt_off0002c3a2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3A2 6084 bytes
font_05_sfnt_off0002d337.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D337 3752 bytes

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