Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d6cffe52bb46db8…

MALICIOUS

PDF

184.2 KB Created: 2015-08-08 09:59:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5c3569e50d8041f5e6fecebc1fe92a53 SHA-1: 6441932a8eda04838f59c309f6589552559408b4 SHA-256: 4d6cffe52bb46db80c961ce912ef4f84d457626cc778ede18ef59c4a96a0271a
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/. This suggests the document is designed to lure the user to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was not parsable, limiting further analysis of the specific lure. The file was generated by wkhtmltopdf, which is sometimes used to package malicious content.

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%BA%D0%BE%D0%B4+%D1%87%D0%B5%D1%80%D0%BD%D0%BE%D0%B3%D0%BE+%D1%86%D0%B2%D0%B5%D1%82%D0%B0+%D0%B2+%D1%82%D0%B2%D0%B8%D1%82%D1%82%D0%B5%D1%80%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384017_u_menya_zhivet_zhirafa_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383864_korsaruy_na_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384704_skachat_igru_parking_mania_na_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240b8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240B8 3556 bytes
font_01_sfnt_off00024e3b.bin
ce421c8c0a5c695d3fe2440b2a4067dbefe825dd714e24eed54e6b8b42a5e27f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E3B 14388 bytes
font_02_sfnt_off00027ac1.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AC1 14468 bytes
font_03_sfnt_off0002a573.bin
b4121b2433298c75cfc6908d82772a85dbd05dc8be5cad38db96ec3367270843		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A573 6276 bytes
font_04_sfnt_off0002b718.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B718 6084 bytes
font_05_sfnt_off0002c6ad.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6AD 3752 bytes

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