Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa9fc0cc6dfee0e8…

MALICIOUS

PDF

186.2 KB Created: 2015-07-25 03:29:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 81dcefa2a92869f97dee49be71c0ab4c SHA-1: 285fd232eba16a6ca693673591c83bb53165727d SHA-256: fa9fc0cc6dfee0e80133a63c670807448905f45b4cdeaf80f086cd47ebac854f
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 is designed to lure users to a malicious site. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The primary IOC is the malicious redirector URL.

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%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+%D1%82%D1%80%D0%BE%D0%BB%D0%BB%D0%B5%D0%B9%D0%B1%D1%83%D1%81%D0%B0+2015+%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//4184/4184715_primeruy_nachisleniya_otpusknuyh_v_2015_godu.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186349_wifi_hacker_dlya_kompyutera_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186321_propisi_zhukova_dlya_detey_6_let_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002428d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2428D 3556 bytes
font_01_sfnt_off00025010.bin
90affd2205c497f996eb515ca6156b305aa42b0b5e4eb2de54eb34c4c7a78249		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25010 15052 bytes
font_02_sfnt_off00027ede.bin
b4e7262d3c265b9c03968570e6910e5029d70de81bf1212fa54e1ea61326de8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EDE 14640 bytes
font_03_sfnt_off0002aa15.bin
72c250d764f2f765cff169fb2efc35aaf0509263da8582298814872fa57b6a8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA15 7168 bytes
font_04_sfnt_off0002bf05.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF05 6084 bytes
font_05_sfnt_off0002ce9a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE9A 3752 bytes

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