Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1ee6279c01569f6…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 12:05:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: daf68eed565812f626c40a5f447f5575 SHA-1: 0a05acc95f3c88d6fdf015cf5ba4d3bfaed10c15 SHA-256: d1ee6279c01569f6415f2500a7753b5d990d2f93e4460094031f10e5416bb723
90 Risk Score

Malware Insights

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

The PDF 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, http://botcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, and the document body was not parsable.

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%BC%D0%BE%D0%B4+%D0%BD%D0%B0+%D1%83%D0%BC%D0%BD%D1%8B%D1%85+%D0%B6%D0%B8%D1%82%D0%B5%D0%BB%D0%B5%D0%B9+%D0%B2+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+147&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192095_kak_risovat_traybl_tatu_crfxfnm.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188804_attestaciya_smetchikov_voprosuy_i_otvetuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185655_warcraft_3_frozen_throne_skachat_po_pryamoy_ssuylke.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024274.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24274 3556 bytes
font_01_sfnt_off00024ff7.bin
4657b7d1a10fc589cdfc5d79f72ef832d5cc78c48b855d40dbb8d9a51990b63e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FF7 14964 bytes
font_02_sfnt_off00027e0a.bin
7523a706274b175d2c39621b39b7310ecf16a7adf12c7d847a4cb301d78a18e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E0A 14580 bytes
font_03_sfnt_off0002a92b.bin
b3965b5862c3ef3586b3c5f88b47588dc1dd6f38fd6c7fc4cd418cb645032f29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A92B 7368 bytes
font_04_sfnt_off0002bed0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BED0 6084 bytes
font_05_sfnt_off0002ce65.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE65 3752 bytes

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