Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f746909dd1b5c4…

MALICIOUS

PDF

181.4 KB Created: 2015-07-24 13:58:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7e4d64c70eed6889bcd80997778aea28 SHA-1: 262888379e0cdeef0b13e215e3ee190bd9ff5d2b SHA-256: a4f746909dd1b5c4ba141915ea3f8caf17c22a51acceb720c5315e182fbe89db
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 infrastructure, specifically http://botcraftman.ru/. This heuristic firing strongly suggests the document is designed to lure users to a malicious site. No scripts were extracted, and the document body was not parsable, limiting further analysis of the exact lure.

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=NN-9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186614_skachat_lenovo_launcher.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190162_50_ottenkov_serogo_skachat_knigu_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189698_uchebnik_po_kalligrafii_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023536.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23536 3556 bytes
font_01_sfnt_off000242b9.bin
4be2a62d0646d0f80a280b05c05a493acb661c3e1ae2660e04914f159f522420		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242B9 15472 bytes
font_02_sfnt_off000272c2.bin
404a142ac8eec846f75450f21e05993b94b818a5a6fc2116a0bc8e2913c40434		 pdf-font-stream PDF embedded font (sfnt) at offset 0x272C2 14520 bytes
font_03_sfnt_off00029da7.bin
fd148928e381c2fdf14b08180e1a6f9228eb84ac27fcd3cfa9171f08169bdfac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29DA7 5348 bytes
font_04_sfnt_off0002abdb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABDB 6084 bytes
font_05_sfnt_off0002bb70.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB70 3752 bytes

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