Malicious PDF — malware analysis report

Static analysis result for SHA-256 a13ad938c5c2175c…

MALICIOUS

PDF

184.1 KB Created: 2015-07-25 20:18:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7ef1c92e055aee25d18df464c78f9f67 SHA-1: 78588312b5abe3dfd11e1b95f21cd96ef1dae5b2 SHA-256: a13ad938c5c2175c1cfdd8d081e692484089d4fb26be9ac100910826304aca1c
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This suggests the document is designed to lure the user to a harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. 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%B6%D1%83%D1%80%D0%BD%D0%B0%D0%BB%D1%8B+%D1%80%D0%B0%D0%B4%D0%B8%D0%BE+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193993_detektivuy_ustinova_skachat_fb2_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194679_skachat_auslogics_boostspeed_na_russkom_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197029_skachat_luntik_8_sezon_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023cb5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23CB5 3556 bytes
font_01_sfnt_off00024a38.bin
51ff9a6f169fbae8c1ac413c8a209d6fb2cde83d6ca5a9f17b265695ab223e09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A38 14888 bytes
font_02_sfnt_off00027841.bin
2299556d11afaf6c99b2135ce15e04576cef43199ae4fa80617f3446e9ecb1cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27841 14704 bytes
font_03_sfnt_off0002a3a6.bin
2edb1e53cc245ab5ea7e5b8d29a6141371ba4042870ae070e8bd0c3f96875b15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3A6 6584 bytes
font_04_sfnt_off0002b679.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B679 6084 bytes
font_05_sfnt_off0002c60e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C60E 3752 bytes

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