Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4a6ac52cc091da8…

MALICIOUS

PDF

186.5 KB Created: 2015-07-27 13:39:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5b3730845703f591113d6fbe10dbed80 SHA-1: 3cc35bbda119ee2eb96f774941ab4afce4eb9af0 SHA-256: a4a6ac52cc091da8c715ec651c1db6c5e6dea81e2f148a069ea39f0156e7fa42
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was not sufficiently readable to provide further context on the 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B2%D0%B5%D1%80%D1%85%D1%8A%D0%B5%D1%81%D1%82%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%BE%D0%B5+7+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194196_tablica_yeksel_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4213/4213129_autodesk_3ds_max_2013_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4226/4226101_chernuyy_ruycar_2_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024798.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24798 3556 bytes
font_01_sfnt_off0002551b.bin
ced6de7139626a9254d50d2e260b5b6dd5e7d5d4728b31bad98f1c676d083abf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2551B 14552 bytes
font_02_sfnt_off000281fd.bin
980ffc5718bd1399eae9d53a915085ca559cc30fb7a26f86e4b737cf0b9b78f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281FD 14712 bytes
font_03_sfnt_off0002ad55.bin
0369700eb5a3ae343506dc377b8c51f32155b940c959eb45e19f71eedce8d4e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD55 6660 bytes
font_04_sfnt_off0002c066.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C066 6084 bytes
font_05_sfnt_off0002cffb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFFB 3752 bytes

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