Malicious PDF — malware analysis report

Static analysis result for SHA-256 3417834208ced9cb…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 03:51:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9e8480bbf8037ae6b2dfc2285afccf94 SHA-1: f896b01b43d7dadafccb6de97f885bf27f74f8bb SHA-256: 3417834208ced9cb9349d98e56a258e6af583760a11c9978b84fda7b4cc4e801
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftcraftman.ru/..., is highly suspicious and likely serves as the initial stage of a phishing or malware distribution campaign. No scripts were extracted, but the presence of the malicious link strongly suggests a malicious intent.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+%D1%82%D0%B0%D1%83%D0%BC%D0%BA%D1%80%D0%B0%D1%84%D1%82+3+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+152&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187496_skachat_porno_multiki_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188058_skachat_whatsapp_dlya_samsung_bada_gt_s5250.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186161_skachat_drayver_dlya_printera_hp_laserjet_cp1025_color.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_off0002438b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2438B 3556 bytes
font_01_sfnt_off0002510e.bin
2b10a063072d7e1c8085c0d08696962b9c1610abd910c8181e2bc29d9b9b4b5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2510E 14896 bytes
font_02_sfnt_off00027f55.bin
beae3ae5685f3523ff190f5ad6159dbcdb6e99b7988f3a8b42b9c3af41b80810		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F55 14640 bytes
font_03_sfnt_off0002aa86.bin
adf931ade75bd5f3b2a7c3bc181e657fa90b27445b5b36cb8d2b57363f1b7648		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA86 7008 bytes
font_04_sfnt_off0002bf11.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF11 6084 bytes
font_05_sfnt_off0002cea6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEA6 3752 bytes

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