Malicious PDF — malware analysis report

Static analysis result for SHA-256 9514de7320184089…

MALICIOUS

PDF

184.8 KB Created: 2015-08-08 10:40:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3c73e9da1f62d7f728865de0a10160ca SHA-1: 1fa1d8cc362fd3ca26dffd3f9ff9dad151e1bef1 SHA-256: 9514de7320184089df6a1a204fe1101cfdb3bf75318b5edb7bccb3b78a9cfebd
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating a likely attempt to lure the user to a malicious website. The file was generated by wkhtmltopdf, which is sometimes used to package malicious content. No scripts were extracted, and the document body was not readable. The primary IOC is the malicious redirector URL.

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%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0+%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%BD%D0%B5%D1%82%D0%B0+%D0%B4%D0%BE%D0%BC%D0%BE%D0%BB%D0%B8%D0%BD%D0%BA+windows+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384278_road_rash_jailbreak_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384507_belka_i_strelka_ozornaya_semeyka_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383713_skachat_brauzer_na_telefon_nokia_5228.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a54b.bin
d18c8130994108fc68a8d17ffc880abd03bff44a07d9aa408b8e989316d43044		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A54B 6988 bytes
font_00_sfnt_off00023f3e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F3E 3556 bytes
font_01_sfnt_off00024cc1.bin
e10f15b0b29f5438dfc55b1ac4bd416c2ffd763a5dbd4a01e3fd3058e04bba5b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CC1 14632 bytes
font_02_sfnt_off00027a2a.bin
08a7e08e969a04cb4827480e84e0ad0dbe57b1cedc96dd08e4c029982e2ec9b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A2A 14584 bytes
font_04_sfnt_off0002b98a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B98A 6084 bytes
font_05_sfnt_off0002c91f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C91F 3752 bytes

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