Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3105d4ef84046fc…

MALICIOUS

PDF

186.9 KB Created: 2015-07-27 12:51:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4cab08c47c9c8faeb2f660ea22f76fde SHA-1: 90c2c7ed1a23082347fb36521b92bb925775b5d7 SHA-256: f3105d4ef84046fcf3ddeee704d4ce37803d31450493307bc824588782facdba
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted from this sample, limiting further analysis of its 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%BE%D1%85%D1%80%D0%B0%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B4%D0%BB%D1%8F+gta+san+andreas+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4206/4206113_homut_dlya_krasnogo_konya_smotret_onlayn.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191495_skachat_besplatno_pdd_2015_na_kompyuter.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189167_arhikad_15_skachat_besplatno_russkaya_versiya_bez_registracii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002abd9.bin
e7efc805e1efb523c133e68b00a5df04092b3459c16c630e0e27aefb4da93214		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ABD9 7496 bytes
font_00_sfnt_off00024439.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24439 3556 bytes
font_01_sfnt_off000251bc.bin
7797948186d78b4569e7e97332371f6f400d6b782e9613c428cb2b355c2cd261		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251BC 14924 bytes
font_02_sfnt_off0002808b.bin
8da9af230083786ecaca373bbc58b473e57793cfe2c5efbe655c9ad5669f6ce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2808B 14644 bytes
font_04_sfnt_off0002c1ef.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1EF 6084 bytes
font_05_sfnt_off0002d184.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D184 3752 bytes

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