Malicious PDF — malware analysis report

Static analysis result for SHA-256 1255ee25cab6b1c9…

MALICIOUS

PDF

186.5 KB Created: 2015-07-24 03:38:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7de2be50e454ec2b2a127cdab12f78fb SHA-1: 596b4ef0a34e652c3a70ef9fbc80959c7c846dbe SHA-256: 1255ee25cab6b1c9c5dccafc80df9b8d10962bbeb316ff466402870211837250
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 points to 'botcraftman.ru', which is associated with malicious activity. This suggests the document's primary purpose is to redirect the user to a malicious site, likely for phishing or malware distribution.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BA%D0%BD%D0%B8%D0%B3%D1%83+%D0%BF%D0%BE+%D1%80%D0%B5%D0%BC%D0%BE%D0%BD%D1%82%D1%83+%D0%BD%D0%B0+%D0%BD%D0%B8%D1%81%D1%81%D0%B0%D0%BD+%D0%BA%D1%83%D0%B1+z10&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187660_zune_dlya_nokia_lyumia_800_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187849_skachat_v_tuylu_vraga_2_shtrafbat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184668_ati_mobility_radeon_hd_4570_drayver_skachat.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_off00024675.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24675 3556 bytes
font_01_sfnt_off000253f8.bin
aa5dc2969e8f8ee8ceb58c30843874e78413ee4d76b5e2aa54de75063baa958e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253F8 14588 bytes
font_02_sfnt_off0002812f.bin
c6c317cd1a875f45fcda329eac5b94896f6d1a136dc12bc4964f8437ec3af895		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2812F 14516 bytes
font_03_sfnt_off0002ac14.bin
9d7d829e439c55d854edbbf012eb9308002e8f442a394ec24aade3e16d18f8f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC14 6896 bytes
font_04_sfnt_off0002c026.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C026 6084 bytes
font_05_sfnt_off0002cfbb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFBB 3752 bytes

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