Pdf.Dropper.Agent-8747815-0 — PDF malware analysis

Static analysis result for SHA-256 d799395736ffb442…

MALICIOUS

PDF

184.0 KB Created: 2015-07-24 01:14:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d116a2a59a9792dd78a36c80e59af100 SHA-1: d8721d4759bfb525b34bb2c3bb75e5a2dbb0d338 SHA-256: d799395736ffb442afd49936dddb27ebd28a31e2850a763e6d521b9b9ec48479
150 Risk Score

Malware Insights

Pdf.Dropper.Agent-8747815-0 · confidence 95%

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF was flagged by multiple heuristics as malicious, including a critical alert for a redirector link to botcraftman.ru. This indicates the PDF's primary function is to lure users to a malicious site. The ClamAV detection name 'Pdf.Dropper.Agent-8747815-0' suggests it acts as a dropper for additional malicious payloads.

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-8747815-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8747815-0
  • 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=Fight+night+champion+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184465_testovuye_zadaniya_po_russkomu_yazuyku_4_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184790_skachat_profil_dlya_call_of_duty_4_modern_warfare_55_uroven.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185685_skachat_rusifikator_dlya_silent_hunter_5.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023abe.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23ABE 3556 bytes
font_01_sfnt_off00024841.bin
591cf021ef0f2ecae38e0150747b5e6416be779a5e25cbba37a026b26f26be5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24841 15212 bytes
font_02_sfnt_off0002770f.bin
57bb694a742a529733e6fc44fe62ab7908187f5084b483566cb5ae4caa2644dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2770F 14896 bytes
font_03_sfnt_off0002a2e4.bin
04c092879d5005f031573a44519093fe704fa9d03b248d2b93de94e0f807d6e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2E4 6840 bytes
font_04_sfnt_off0002b661.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B661 6084 bytes
font_05_sfnt_off0002c5f6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5F6 3752 bytes

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