Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b1bed20e9eda65…

MALICIOUS

PDF

185.3 KB Created: 2015-07-25 06:41:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3ce04567fde9d40a7fda4a78d5ead241 SHA-1: 72ee548e40eedbda656c40361b7b97f045352790 SHA-256: 02b1bed20e9eda65368f0164e1170f2fabded29f8df95b332cedc5000d085d17
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is http://botcraftman.ru/, which is likely used to lure users to a malicious site. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or malware distribution attempt.

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%84%D0%B8%D0%B7%D1%80%D1%83%D0%BA+%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+1+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195910_skachat_igru_cherez_torrent_vlastelin_kolec_bitva_za_sredizeme.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192331_reshenie_ct_po_fizike_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192919_far_cry_commando_skachat_torrent.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_off0002425c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2425C 3556 bytes
font_01_sfnt_off00024fdf.bin
2f7e12bb142e81334ff4847d90d0db4d2fcc76621edb403c89ba781e886a30ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FDF 14944 bytes
font_02_sfnt_off00027e28.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E28 14468 bytes
font_03_sfnt_off0002a8da.bin
04c06f92940e6f8a757d89bb69b7da64045b328d2a4c0a3b9dc470e334f4ba4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8DA 6488 bytes
font_04_sfnt_off0002bb71.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB71 6084 bytes
font_05_sfnt_off0002cb06.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB06 3752 bytes

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