Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fa7d3ad1677ada3…

MALICIOUS

PDF

185.8 KB Created: 2015-07-24 11:47:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ea77d47a45c8766bc917dc7b1074767f SHA-1: e58e723a79246eeb385efab4961dc6d01ac3463a SHA-256: 0fa7d3ad1677ada33768d879596db9581aeda03703c38c0b836755b5c999e8f6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is identified as a malicious redirector. This suggests the document's primary purpose is to act as a lure, directing users to a malicious site likely to deliver a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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-8785610-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8785610-0
  • 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=%D0%92%D1%80%D0%B5%D0%B7%D0%BA%D0%B0+%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85+%D1%84%D0%B8%D0%B3%D1%83%D1%80+%D1%80%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190148_grafik_uborki_tualetov_blankdoc.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191552_skachat_igru_gta_san_andreas_13_rayon_cherez_torrent_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185673_foto_i_video_podrostkovuyy_nudizm_smotret_onlayn.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_off00024486.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24486 3556 bytes
font_01_sfnt_off00025209.bin
78bb348983446c14f019e1b501722eb2a7226a99f33bbc11e9796c8634368676		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25209 14348 bytes
font_02_sfnt_off00027f2c.bin
3960630b2b32f762a0b60ff5336c78b6ee2771c2e337b8a9b127fe7f73af3523		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F2C 14748 bytes
font_03_sfnt_off0002aa38.bin
eebf4f38d32ad108ea7d2e640896dac3615f1226e14b1ef08e122cbc200338e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA38 6712 bytes
font_04_sfnt_off0002bd94.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD94 6084 bytes
font_05_sfnt_off0002cd29.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD29 3752 bytes

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