Malicious PDF — malware analysis report

Static analysis result for SHA-256 697454e5b28af796…

MALICIOUS

PDF

186.5 KB Created: 2015-07-23 20:06:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b9d643ee13c7343eba3790a4411f95f8 SHA-1: 9977a8e396a6b6104ddc4c9e3e88144383ca4be9 SHA-256: 697454e5b28af7964e3c1eea0fad8c83946b53b879b120675ebdc2b0c2e5c724
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 highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to trick the user into navigating to a harmful destination.

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+%D1%81%D0%B1%D0%BE%D1%80%D0%BD%D0%B8%D0%BA+%D0%BA%D0%BB%D0%B8%D0%BF%D0%BE%D0%B2+%D0%B2+%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B5+avi+%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//4184/4184316_usloviya_postavki_01187462_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184262_windows_8_dlya_noutbuka_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184404_skachat_igruy_na_planshet_besplatno_maynkraft_s_modami_095.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_off000243aa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243AA 3556 bytes
font_01_sfnt_off0002512d.bin
4e2369250f8c3bb05739ad9a4e5cdc00aa7a37a534433a696c68736113461874		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2512D 15064 bytes
font_02_sfnt_off00027fef.bin
1367a192f183fde1b98150482ec1baf50fd98a2466b5ce5ab5130f784fc1a394		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FEF 14516 bytes
font_03_sfnt_off0002aad3.bin
1e25732b590dc41e1cad5ef0ae60d233fdbffb068b5a0d5458994b365ef272e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAD3 7304 bytes
font_04_sfnt_off0002c02c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C02C 6084 bytes
font_05_sfnt_off0002cfc1.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFC1 3752 bytes

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