Malicious PDF — malware analysis report

Static analysis result for SHA-256 79ca14e9a516e9f0…

MALICIOUS

PDF

185.3 KB Created: 2015-08-08 11:01:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f9466782aa34db39c8a548e66a19d62d SHA-1: 279d3696e4d8b7c98309b0cb951b52139875edf2 SHA-256: 79ca14e9a516e9f02180e18b08ade2d53c222f817f5c58ea3f9b6458448e1b6f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure for phishing or malware delivery. No scripts were extracted, but the presence of the malicious URL strongly suggests a malicious document.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D1%83+%D1%8D%D0%B9+%D1%82%D0%BE%D0%BB%D1%81%D1%82%D1%8B%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385678_skyrim_kod_na_vse_zaklinaniya.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385180_porttool_v1009_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385419_skachat_tureckie_serialuy_na_russkom_yazuyke_besplatno.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_off00024220.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24220 3556 bytes
font_01_sfnt_off00024fa3.bin
121fb6925641b38471d822287145d9792db4fae702aca5f160ea9553e9db9a9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FA3 14852 bytes
font_02_sfnt_off00027dd0.bin
82e1ef65e79e4858764d30489de1a6bb262c3a4ae3ff71e2763dbba2a8765446		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DD0 14468 bytes
font_03_sfnt_off0002a884.bin
83f5b5fb1735ddbfad7f57844b97f06370286b6e570c442e58cc698124d1f336		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A884 6568 bytes
font_04_sfnt_off0002bb5b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB5B 6084 bytes
font_05_sfnt_off0002caf0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAF0 3752 bytes

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