Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bbc5b582a7d752f…

MALICIOUS

PDF

183.4 KB Created: 2015-07-24 19:17:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5fe04bb640ffe4e1a708ad184bdeefb9 SHA-1: 6323979fffa77b8bf3038f4e6344791860633d30 SHA-256: 9bbc5b582a7d752ffad627db91cfbbe02750eec74084ddcda8723754f0c0b843
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure, but the presence of the malicious link is a strong indicator of malicious intent.

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+kyk+hack+%D0%B4%D0%BB%D1%8F+cs+16&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191754_skachat_besplatno_proekt_odnoyetazhnogo_doma.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193194_skachat_bibliyu_na_android_na_russkom_yazuyke.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185852_penitenciariy_1_senya_ustavshiy_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a070.bin
17d0f10b638fce774e7c13d54e34ad5283b0d4d92904efeda4ef7cf02a2799be		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A070 6732 bytes
font_00_sfnt_off00023b46.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23B46 3556 bytes
font_01_sfnt_off000248c9.bin
10133630e8f4e45f6df2eb60ffa0628982b21bffb7626294977f4e30257302b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248C9 14460 bytes
font_02_sfnt_off000275a1.bin
4b50e74e211260f827d78d660b02708d947c88620b6808eaf6863d069a3eb366		 pdf-font-stream PDF embedded font (sfnt) at offset 0x275A1 14564 bytes
font_04_sfnt_off0002b3e2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B3E2 6084 bytes
font_05_sfnt_off0002c377.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C377 3752 bytes

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