Malicious PDF — malware analysis report

Static analysis result for SHA-256 6616e95c5c7fb2a7…

MALICIOUS

PDF

186.2 KB Created: 2015-08-05 13:36:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2b95341a0c93a812bb97f29b529e4e92 SHA-1: 789e625e97011a5fc500bc2613e7b08919c9a66c SHA-256: 6616e95c5c7fb2a73292ce707a97aa8a941bd8a410148530a30cca2c080140ee
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document 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 for phishing or malware delivery. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to compromise the user.

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%BD%D0%B5%D0%BF%D0%BE%D1%81%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%BE+%D0%BA%D0%B0%D1%85%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+%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/6//4304/4304465_igra_s_tablicey_umnozheniya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304479_klyuchi_dlya_windows_anytime_upgrade.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304489_za_granyu_3_sezon_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_off000246d6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246D6 3556 bytes
font_01_sfnt_off00025459.bin
321bf98bb75b82faf4db9f3afe78a27dab56ea48f996adb888d9a7346d76b829		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25459 14572 bytes
font_02_sfnt_off00028174.bin
c947384ca9da6b338a802e2d79393af65bbc7ec579a56be2392c779918975b81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28174 14532 bytes
font_03_sfnt_off0002ac67.bin
dae9fef4b16823d84ee75a627913a715532f037f8f3a2c5921a3b09fec4caae1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC67 6488 bytes
font_04_sfnt_off0002bed8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BED8 6084 bytes
font_05_sfnt_off0002ce6d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE6D 3752 bytes

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