Malicious PDF — malware analysis report

Static analysis result for SHA-256 67ab695cee1066c8…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 11:07:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b4cf6feef566dc913e5453d577d7b15d SHA-1: f48c4fa915f8e387df0ce0301eed4ea41c023070 SHA-256: 67ab695cee1066c8dcdd58fe8bb91f19129d893a1896d7d30d58551cbd0ca92b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely intended to lead the user to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests a phishing or social engineering attack.

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=1+%D1%81+%D0%B7%D0%B0%D1%80%D0%BF%D0%BB%D0%B0%D1%82%D0%B0+%D0%B8+%D0%BA%D0%B0%D0%B4%D1%80%D1%8B+82+%D1%81%D0%B0%D0%BC%D0%BE%D1%83%D1%87%D0%B8%D1%82%D0%B5%D0%BB%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190786_skachat_igru_mashinarium_2_na_kompyuter_besplatno_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184622_steklyannuyy_tron_sara_dzh_maas_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190867_gess_vuyrazitelnuye_glaza.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002450d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2450D 3556 bytes
font_01_sfnt_off00025290.bin
2a63e2b48e86c8d5d7907f54a7e331b46c684f905d459dc2a8c6cf638c631906		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25290 15200 bytes
font_02_sfnt_off00028223.bin
62fa95ca01284f592fa57706b7841d5af19ee60bb3545b3bb1f1638a65425420		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28223 14468 bytes
font_03_sfnt_off0002acd6.bin
c417f83358f1d1a025faeab41a1c34ca80e4241c055e88877a969b5797d2be24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACD6 6980 bytes
font_04_sfnt_off0002c12f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C12F 6084 bytes
font_05_sfnt_off0002d0c4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0C4 3752 bytes

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