Malicious PDF — malware analysis report

Static analysis result for SHA-256 3204c03cb396b99c…

MALICIOUS

PDF

186.5 KB Created: 2015-07-24 10:51:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 268cee4610866978249924fadc8488e2 SHA-1: 090d2a3ee6845ca1d7b3f0c2b2613177594ada71 SHA-256: 3204c03cb396b99c85289e1706635acd65acbeae4afefc7529c0fb3b9cdcce2c
92 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 primary malicious URL identified is http://botcraftman.ru/. While no scripts were extracted, the presence of this malicious link strongly suggests an attempt to lure the user to a harmful site, likely for phishing or malware delivery.

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=sudden+strike+3+arms+for+victory+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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://img1.liveinternet.ru/images/attach/c/5//4191/4191630_skachat_stalker_30_novell_iz_zonuy_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184622_steklyannuyy_tron_sara_dzh_maas_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191546_bessonov_teoreticheskie_osnovuy_yelektrotehniki_skachat_pdf.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a959.bin
1b2bc55390cf2f18269561f96b65b0315875a9137f3544e468f08d2fe1768c19		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A959 7760 bytes
font_00_sfnt_off00024042.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24042 3556 bytes
font_01_sfnt_off00024dc5.bin
8014b12e975fc3a10c8f902702f0f27b029a2d950f91f0fc3760dccfeae7ff9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DC5 15080 bytes
font_02_sfnt_off00027ca7.bin
414d2d730899d7c27dafecf5f75dea184b4c4832f966658fbe1413fe01d6b0dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CA7 15104 bytes
font_04_sfnt_off0002c04a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C04A 6084 bytes
font_05_sfnt_off0002cfdf.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFDF 3752 bytes

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