Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a30c09bc09bbbf2…

MALICIOUS

PDF

185.5 KB Created: 2015-07-24 03:38:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8bb8f8f582d375d3b74ebbe69fcbb915 SHA-1: b613861733586a06d15df2f95c4d768195b9fc94 SHA-256: 9a30c09bc09bbbf27d86338d18090ed8c9d2486759b452268186b92134a71bf1
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, botcraftman.ru. This indicates an attempt to lure the user to a harmful site. No scripts were extracted, and the document body was not parsable, limiting further analysis of the exact lure. The primary IOC is the malicious redirector URL.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+skype+%D0%BC%D0%BE%D0%B1%D0%B8%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187647_ustav_yuridicheskoy_firmuy_obrazec.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184350_yesse_po_obschestvu_primeruy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185403_skachat_igru_battlefield_2142_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a6c5.bin
60229737424b5c944c5b175c3512185aacef864f1d91519a9ccf73a70b6cff8e		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A6C5 7268 bytes
font_00_sfnt_off00023f8f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F8F 3556 bytes
font_01_sfnt_off00024d12.bin
d765e538cf589751dfb3f32b618d29d678c2ebb39c4cd9699276926e66c26ac4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D12 15188 bytes
font_02_sfnt_off00027c15.bin
85741e4c01c8eba696446e9da13e76fcff307eb54fb440d4074e221b01e45779		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C15 14468 bytes
font_04_sfnt_off0002bc0b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC0B 6084 bytes
font_05_sfnt_off0002cba0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBA0 3752 bytes

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