Malicious PDF — malware analysis report

Static analysis result for SHA-256 dea8714398679747…

MALICIOUS

PDF

186.8 KB Created: 2015-07-24 15:43:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 478d6871da12fd80a8e34a689eb77db2 SHA-1: 264fd3a59efb1323f8ee2c45cb6716c67865c6b0 SHA-256: dea871439867974725b88abb647f7dd3ac8d3a9aecb35b9fba1e63a3050ba345
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 known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is associated with malicious activity. While no scripts were extracted, the presence of this malicious link suggests the document's purpose is to lure the user to a harmful site, likely for phishing or malware distribution.

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=tinyumbrella+%D0%B4%D0%BB%D1%8F+windows+7+64+bit+%D1%81%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184598_need_for_speed_nitro_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185266_chartova_dyuzhina_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188187_kak_uznat_kod_kraski_avtomobilya_po_vin_kodu.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a933.bin
feff74e5e1ff24a74c0ade15fe2aaf99be9749c184b764ea7ca3ca25c6484606		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A933 8124 bytes
font_00_sfnt_off00024085.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24085 3556 bytes
font_01_sfnt_off00024e08.bin
682eeaa32d62abe30155b7760a258a43c758653659177d5d41aec5017710626b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E08 15076 bytes
font_02_sfnt_off00027cdb.bin
66d8aba294adc3bc23c67f1a08608c3a310a3c1c6ce19ebd0379f8948b0913c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CDB 14992 bytes
font_04_sfnt_off0002c17a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C17A 6084 bytes
font_05_sfnt_off0002d10f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D10F 3752 bytes

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