Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddb5b6fa308f4cb…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 12:15:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 79f61c75d9cc80228ffcd6d70f59809a SHA-1: 74fca21c5795c1e27219e7d73fbf97d2aa3fb5c5 SHA-256: 3ddb5b6fa308f4cbb332e7db4b23620ab7bef2bc6f6408fefa0cfefefcb49685
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, botcraftman.ru, which is presented to the user as a download for Windows 7. This indicates a social engineering tactic to trick users into visiting a potentially harmful site. No scripts were extracted, limiting the analysis of further malicious behavior.

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=windows+7+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+64+bit+2014+rus+%D0%BE%D1%80%D0%B8%D0%B3%D0%B8%D0%BD%D0%B0%D0%BB+iso&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191506_zhurnal_pchelovodstvo_2014_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191313_prototype_2_skachat_torrent_russkuyu_versiyu.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192223_skachat_kalendar_beremennosti_po_nedelyam_na_rabochiy_stol.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a836.bin
011cc1c5d4702ad9cab7372b0b49cb2af0e43c00ea3f343456b98024b44d5ac3		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A836 7672 bytes
font_00_sfnt_off000240f1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240F1 3556 bytes
font_01_sfnt_off00024e74.bin
96a72505ef3b8d38c9f888b22a30aa630787d727d82043903a7f433f49f0e8fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E74 14792 bytes
font_02_sfnt_off00027c52.bin
7a71d93edfe09b17ce3bc59d317e5f2398c1c0023b2e704149ffbe044bcf6c38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C52 14828 bytes
font_04_sfnt_off0002befc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEFC 6084 bytes
font_05_sfnt_off0002ce91.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE91 3752 bytes

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