Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a1fa2cd2784745c…

MALICIOUS

PDF

186.6 KB Created: 2015-07-24 09:19:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 78163bf05cbd6a19da49b180140323fc SHA-1: 4cf7333a9c49951f6f466900c505f4070025c744 SHA-256: 9a1fa2cd2784745c055b26fa72b3b6ea2e7fd4a64697e7cff78657fb656c51c7
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is identified as the primary malicious indicator. This suggests the PDF is designed to lure users to a compromised site, likely for phishing or malware distribution. No scripts were extracted, limiting further analysis of the payload.

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%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%B7%D0%B0%D0%B3%D1%80%D1%83%D0%B7%D0%BE%D1%87%D0%BD%D0%B0%D1%8F+%D1%84%D0%BB%D0%B5%D1%88%D0%BA%D0%B0+windows+7+%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://img0.liveinternet.ru/images/attach/c/5//4184/4184471_dnevnik_po_praktike_v_prokurature_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186966_avatar_legenda_o_korre_porno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185474_skachat_chituy_na_cod4.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aa70.bin
19eecc9985149a98a26c15dede8c4297b59526100a0c0a8514f99f8c19452e7b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AA70 7468 bytes
font_00_sfnt_off000243f8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F8 3556 bytes
font_01_sfnt_off0002517b.bin
b112bd56653561161f1a46084b02f8e090bb644adf66bfa5bae3f8852296cc51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2517B 14592 bytes
font_02_sfnt_off00027f2f.bin
3a5c92659285ad8780ebb9f5ec49ddf11b7eef789d451b9e055a94f52eb955c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F2F 14640 bytes
font_04_sfnt_off0002c070.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C070 6084 bytes
font_05_sfnt_off0002d005.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D005 3752 bytes

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