Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8019102489e16be…

MALICIOUS

PDF

185.7 KB Created: 2015-07-25 22:45:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9a38017ba16ff9a53a3a99f10f1c8d77 SHA-1: 7c7cf4f23c2551df8e97dc85f4a5a597c46bc4c9 SHA-256: f8019102489e16be89d59b96806da3b23d44d17a46c052aad69f03c8cb9d69b8
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BF%D0%B5%D1%81%D0%BD%D1%8F+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D0%BC%D1%8B+%D0%BD%D0%B0+%D0%B4%D0%B5%D0%BD%D1%8C+%D1%80%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BE%D1%82+%D0%B4%D0%BE%D1%87%D0%B5%D1%80%D0%B8+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193577_skachat_programmu_obnaruzheniya_vayfaya_dlya_noutbuka.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189809_shablonuy_blagodarstvennuyh_pisem_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4206/4206709_koduy_oshibok_folksvagen_passat_b5.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243a9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
pdf-font-stream PDF embedded font (sfnt) at offset 0x243A9 3556 bytes
font_01_sfnt_off0002512c.bin
a1a9d619cfff6b3746be0368703001681ad9add84a16439df3544acbf837e989
pdf-font-stream PDF embedded font (sfnt) at offset 0x2512C 14436 bytes
font_02_sfnt_off00027e82.bin
fbe4af72ea4b6832e02f3a94d39805fe74296d1f62d5d4f3c350b4dd983b7d89
pdf-font-stream PDF embedded font (sfnt) at offset 0x27E82 14468 bytes
font_03_sfnt_off0002a930.bin
9abb87ded436af8602c6435ec132f1881f63422a56e0fca602206a5c302d4c24
pdf-font-stream PDF embedded font (sfnt) at offset 0x2A930 6832 bytes
font_04_sfnt_off0002bccd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCCD 6084 bytes
font_05_sfnt_off0002cc62.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e
pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC62 3752 bytes