Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f1cf7ad632a94c3…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 19:26:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 87680556f43356b6a4b7545d841f6622 SHA-1: ba38a7392431ac1c517e1e69ca53739c6a44fb47 SHA-256: 1f1cf7ad632a94c34b00911e45868bd0e076e9cc0117755b86d68cf782926931
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. This suggests the document's primary purpose is to lure the user to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The redirector URL is the highest priority IOC.

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=dx11+capable+gpu+to+play+crysis+3+%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//4192/4192709_skachat_film_prototip_2013_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184501_skachat_zvuki_hodbuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191604_skachat_maynkraft_na_noutbuk_besplatno_bez_registracii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a219.bin
0a8906fddf1ad31d4e08c3039c37d4cc7356d08c0077a71d10c4a40392a2ad1f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A219 7972 bytes
font_00_sfnt_off00023ca3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23CA3 3556 bytes
font_01_sfnt_off00024a26.bin
70aa54615ac4cc82f08799d5b6703c037a28777ebb2db3752306c1ee32b24daf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A26 13988 bytes
font_02_sfnt_off0002760d.bin
e312f2b0471a811d24174f0bc2b9b1add92c6332006d0f46cffcb9062b652719		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2760D 14912 bytes
font_04_sfnt_off0002b9db.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9DB 6084 bytes
font_05_sfnt_off0002c970.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C970 3752 bytes

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