Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fe6372437030372…

MALICIOUS

PDF

183.7 KB Created: 2015-08-08 13:12:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c16c4cf4f8075902d963737b93750000 SHA-1: b73222f2c548d0eeea4a98c98a7f80488c199e2d SHA-256: 3fe6372437030372db7adfa4c99d2fb11974ea0a68f3df9f795a62e942d1e174
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates the document is designed to lure users to a harmful website. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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%B3%D1%80%D0%B0%D0%BC%D0%BE%D1%82%D0%B0+%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD+%D1%82%D0%B5%D0%BA%D1%81%D1%82%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4391/4391181_multik_monster_hay_na_russkom.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389850_proshivka_explay_surfer_831_3g.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387092_skachat_film_posledniy_korabl_vse_serii_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d72.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D72 3556 bytes
font_01_sfnt_off00024af5.bin
c89ed6bf46568793f06abecdb2a9337203bc0a6ca6771c0f5e655a7fa621a77e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AF5 14596 bytes
font_02_sfnt_off00027822.bin
d9775475238cab7937fa4e35d65fbe93a357e8a9e242d68b4cc886ecd1dec298		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27822 14520 bytes
font_03_sfnt_off0002a2f1.bin
b1926046a0006d2e86ddaf8279ebcb91624355099b4abdef865fdb2c76a57225		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2F1 6336 bytes
font_04_sfnt_off0002b4d6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4D6 6084 bytes
font_05_sfnt_off0002c46b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C46B 3752 bytes

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