Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc0d150be8538786…

MALICIOUS

PDF

185.3 KB Created: 2015-08-08 14:13:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cb4bc7ebbbfbffb58ef7e9f6d67e5ce5 SHA-1: 8cd8c8935afdd4d021dc01f3700c257241a5e3e3 SHA-256: bc0d150be8538786d097436bfbb1683587471652d803b0600555fe9a7c5c2643
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical finding for a malicious redirector link. The ML classifier also assigned a high probability of maliciousness. The primary IOC is the malicious URL found within the document, which is likely used to redirect the user to a site hosting malware or phishing content. No scripts were extracted, limiting the analysis of specific behaviors.

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-7627693-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7627693-0
  • 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=world+of+tanks+%D1%87%D0%B8%D1%82%D1%8B+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B1%D0%B5%D0%B7+%D1%81%D0%BC%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387908_koduy_oshibok_land_rover.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388520_tovarnuyy_chek_ukraina_blank_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386178_lyubovnuye_romanuy_chitat_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a5bd.bin
bb94a8a09caf4b7afe30df0ddad5b89427366a3a0be2ed474582451f01f6792f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A5BD 7404 bytes
font_00_sfnt_off00023fa5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FA5 3556 bytes
font_01_sfnt_off00024d28.bin
05839bf3de6ac3327e1ccdd34d791e0dc95c21b0294b6f7984bdb35cc67f7dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D28 14424 bytes
font_02_sfnt_off00027a55.bin
b0e15dfae92adfed0cf6220780464cb217283e925ad9a604550b80daa6599c81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A55 14676 bytes
font_04_sfnt_off0002bb8b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB8B 6084 bytes
font_05_sfnt_off0002cb20.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB20 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.