Malicious PDF — malware analysis report

Static analysis result for SHA-256 aefa182bb6b2e4aa…

MALICIOUS

PDF

184.4 KB Created: 2015-08-05 18:13:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 61399c498a3170714b8ff419786127ec SHA-1: 1e707baa5a150811f3e9641b94e1a0448fd3b879 SHA-256: aefa182bb6b2e4aaa7dd0c1fa10e28c1592e7b505bf49faef9101258719ea611
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, http://botcraftman.ru/. This heuristic indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The file was generated by wkhtmltopdf, which is sometimes used to package malicious content.

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%9A%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D0%BE%D0%B4%D0%B5%D0%B6%D0%B4%D1%83+%D0%B2+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD+%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D0%B0%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305614_paulo_koyelo_valkirii_audiokniga_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305958_skachat_pesnyu_proschay_shkola_ya_pyu_za_tebya_koka_kolu_tekst.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304949_skachat_detskie_klipuy_bebi_taym_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f3b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F3B 3556 bytes
font_01_sfnt_off00024cbe.bin
c769a0f034111e2609884a037d2dbb72a27249ab8a9c01ec69c4d664edda707e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CBE 14524 bytes
font_02_sfnt_off00027a4c.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A4C 14468 bytes
font_03_sfnt_off0002a4fb.bin
a83e0012fd1ae1bee8f13ba70293543cd874e433066411ba8c11e9977102c428		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4FB 6556 bytes
font_04_sfnt_off0002b7ab.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7AB 6084 bytes
font_05_sfnt_off0002c740.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C740 3752 bytes

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