Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1848fb3564bd158…

MALICIOUS

PDF

186.0 KB Created: 2015-07-27 20:11:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f25503c3b5580e072bd0cb7a0ae3a50e SHA-1: bf4eb4382c468d5c4c7bdbfbcc9bb6dd5a80971d SHA-256: e1848fb3564bd1588bef119eba3dd348390a277c1c102688b523090ede1707f3
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector, http://botcraftman.ru/. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B1%D0%B0%D1%81+%D0%B3%D0%B8%D1%82%D0%B0%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D1%87%D0%B0%D0%B9%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4230/4230129_moskva_ya_ne_lyublyu_tebya_audiokniga.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199581_ekaterina_2_i_ee_zherebcuy_na_russkom_yazuyke.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204362_skachat_klient_maynkraft_s_modom_industrial_craft_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024463.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24463 3556 bytes
font_01_sfnt_off000251e6.bin
5699bc9a810422522273babb8914c13d6cd548826e75fcad99c417f66ea3733a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251E6 14976 bytes
font_02_sfnt_off00028054.bin
a9770cbb19a982a1ca245ae9dd57c2ebe78e8510dfe5e68aa43f25edc86204a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28054 14468 bytes
font_03_sfnt_off0002ab06.bin
aab3b644a39bceb61d0dc3854b77a60d58045e2d30e26a4859293c6cf8d6f599		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB06 6656 bytes
font_04_sfnt_off0002be04.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE04 6084 bytes
font_05_sfnt_off0002cd99.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD99 3752 bytes

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