Malicious PDF — malware analysis report

Static analysis result for SHA-256 c466373230adba31…

MALICIOUS

PDF

185.8 KB Created: 2015-07-25 09:12:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 248527e932eff199fe087025586259c7 SHA-1: c5074bd4bb536799e444ed229b5d0f3957fdc372 SHA-256: c466373230adba3151d222c488b6f090a653efe06e893519acabc6947d8b3376
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 ML classifier also strongly indicated maliciousness. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users 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=%D0%B7%D0%B0%D1%8F%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5+%D0%BD%D0%B0+%D0%BE%D1%82%D0%BF%D1%83%D1%81%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191600_katya_sambuka_porno_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190822_1_df_blank_2015_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191470_kod_dlya_xbox_live_gold_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243ba.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243BA 3556 bytes
font_01_sfnt_off0002513d.bin
08837dc239e35c9467eb46230221feee3fc5579c4e71f49ea7ea5eb997796961		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2513D 14656 bytes
font_02_sfnt_off00027f0e.bin
af704030b4b2c81454d4f851ec52174ae06bd1e3c0b00438267026f9ed55c622		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F0E 14720 bytes
font_03_sfnt_off0002aa7b.bin
33fe64c692c02b24153e7d06169e451132dcbe05696f0e674474dd4e33ab3017		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA7B 6608 bytes
font_04_sfnt_off0002bd6a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD6A 6084 bytes
font_05_sfnt_off0002ccff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCFF 3752 bytes

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