Malicious PDF — malware analysis report

Static analysis result for SHA-256 219292fbb38731d4…

MALICIOUS

PDF

184.2 KB Created: 2015-08-05 15:52:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4d52c5d10b2eeeac4cba6a3c9992f7d6 SHA-1: 507708f7ef47de4a41e41d26592fc02a3ad686d6 SHA-256: 219292fbb38731d44c5d4103c1c68d1784af99bf9b5243a550d8012ffbb72679
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=microsoft+office+%D0%B4%D0%BB%D1%8F+windows+7&charset=utf-8' is the primary indicator of malicious intent. This suggests the document is designed to lure users to a potentially harmful site.

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=microsoft+office+%D0%B4%D0%BB%D1%8F+windows+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305089_skachat_rk_704_na_russkom.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305988_skachat_xray_teksturuy_dlya_minecraft_152.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305257_koduy_na_cveta_v_bubute.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a428.bin
bd4474976585d9d94ea8c6050e0ecdd7d2c533d9d116fc8ed79c9698dacba037		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A428 6568 bytes
font_00_sfnt_off00023bfe.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23BFE 3556 bytes
font_01_sfnt_off00024981.bin
039ecceac537c0f76c919d12c8863868d520dc7126c65e56a515e62af592455e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24981 15192 bytes
font_02_sfnt_off00027855.bin
2de0276e34765c16ba8d18fafc9fdd2cd86c0983d8621ef3f9621a53c29c14b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27855 14796 bytes
font_04_sfnt_off0002b6e6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6E6 6084 bytes
font_05_sfnt_off0002c67b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C67B 3752 bytes

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