Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c05485a17c3f889…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 05:42:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 73eeacac29ccb01cf7ea9afb76718cfe SHA-1: 2143cca6f965f58a75ee8f88a10b425c84ca84b1 SHA-256: 3c05485a17c3f889a38d74f608bff78e89f062b556f0c6b5c7284a3c4b83acef
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, http://botcraftman.ru/, is identified as a known malicious redirector. This suggests the document's primary purpose is to lure the user to a malicious site, likely for further exploitation or credential harvesting.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+bravis+pu-v18&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185521_tachku_na_prokachku_vse_sezonuy_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185058_windows_loader_extreme_edition_305_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185104_klyuch_k_igre_venus_hostage.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a819.bin
a8745a227e66b98a13ef81651889e43ee5e23564b294890b4bbac3cf2f27f90d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A819 7760 bytes
font_00_sfnt_off000240d8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240D8 3556 bytes
font_01_sfnt_off00024e5b.bin
b9edb359653e8e060cab2807c8ba75f1811e50f0426064e7e8f999f869ce5790		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E5B 15084 bytes
font_02_sfnt_off00027cd2.bin
d796c23e986cc4349f593e1e734fc01bf885dc94a3fda1239e280ce858e05ac7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CD2 14648 bytes
font_04_sfnt_off0002bf0c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF0C 6084 bytes
font_05_sfnt_off0002cea1.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEA1 3752 bytes

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