Malicious PDF — malware analysis report

Static analysis result for SHA-256 16199faf7ca7ac34…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 12:48:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e1a41c49e03bb677b798a0a130ce7680 SHA-1: 1a356d2fadbdf7e5883555d2279843f04818fedb SHA-256: 16199faf7ca7ac34352c2d158ee792b671bb12dfc1e0f9331db12478325f8f25
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a malicious website, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8785799-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8785799-0
  • 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+%D0%BD%D0%B0%D1%82%D0%B0%D0%BB%D0%B8+%D0%BE+%D0%B1%D0%BE%D0%B6%D0%B5+%D0%BA%D0%B0%D0%BA%D0%BE%D0%B9+%D0%BC%D1%83%D0%B6%D1%87%D0%B8%D0%BD%D0%B0+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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//4184/4184711_chituy_na_maynkraft_1710.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188804_attestaciya_smetchikov_voprosuy_i_otvetuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186434_trudovoe_pravo_v_shemah_i_tablicah_skachat_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_off000243f6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F6 3556 bytes
font_01_sfnt_off00025179.bin
5e094c400a4c6a64012b259a0d9014176399b6257d0c6dd8be431b87029b5859		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25179 14084 bytes
font_02_sfnt_off00027de6.bin
c457fcfaab6f548331a7572fefd0d96ae260c7787e9dff2b51ae1aa36573dbb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DE6 14468 bytes
font_03_sfnt_off0002a895.bin
9468e193e6743d8bb3501c56775d7452a9dde035f24956eb44062fa6fc4ce714		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A895 7036 bytes
font_04_sfnt_off0002bcf5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCF5 6084 bytes
font_05_sfnt_off0002cc8a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC8A 3752 bytes

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