Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1e3e32abc33f87a…

MALICIOUS

PDF

184.3 KB Created: 2015-08-08 11:41:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6516a54dac14a0012cb227d073ed406f SHA-1: 8ae0dd799d9e787f2b98d694fa15fe21a2899f30 SHA-256: f1e3e32abc33f87a81dfb7d1dd901626ee724ed4b9dcafac76aea45ff3e323ac
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, suggesting it may have been part of a phishing campaign. No scripts were extracted, limiting further analysis of the payload.

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%B3%D0%BE%D0%BB%D1%8B%D0%B5+%D1%84%D0%BE%D1%82%D0%BE+%D0%B4%D0%B6%D0%B0%D1%81%D1%82%D0%B8%D0%BD%D0%B0+%D0%B1%D0%B8%D0%B1%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385508_skachat_video_stekolschik.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388303_instrukciya_primeneniya_dlya_tabletok_sezam.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384945_torrent_tv_ntv_plyus.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB6 3556 bytes
font_01_sfnt_off00024d39.bin
a4aa65dad7abe3f268bbe41fd3a63d8c54203912010e429cd68eaf64c1e2c009		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D39 14084 bytes
font_02_sfnt_off00027984.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27984 14468 bytes
font_03_sfnt_off0002a433.bin
a7ad9ef4f8ab522fb432527403b947871910c21dfb73d23652686bcc8eaab243		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A433 6664 bytes
font_04_sfnt_off0002b75b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B75B 6084 bytes
font_05_sfnt_off0002c6f0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6F0 3752 bytes

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