Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb3aa1ca89894915…

MALICIOUS

PDF

184.9 KB Created: 2015-08-06 18:30:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5bbfba05522ca206695dcd9b00382578 SHA-1: 06a8a2d836388fe9ad2d5fa11c4036adc3b50892 SHA-256: fb3aa1ca89894915dad2b2bbd040ec73af39593b0b9c9bd0143589052f1ea6af
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 points to 'botcraftman.ru', which is flagged as malicious. This suggests the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was heavily truncated, 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=crack+lkz+advanced+system+optimizer&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4309/4309746_skachat_besplatno_sverhestestvennoe_10_sezon_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4312/4312047_ispoved_kardera_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4315/4315992_skachat_gta_5_cherez_torrent_na_pc.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a637.bin
904560541bab470c50351969812ef707e963328a3802da74655b83d6c7941183		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A637 6728 bytes
font_00_sfnt_off00023d17.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D17 3556 bytes
font_01_sfnt_off00024a9a.bin
03b7f1137fea7fca17786b825d464277566ef4ccc94846266951349c1264f726		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A9A 15396 bytes
font_02_sfnt_off00027a38.bin
01437839c57e144ca608d05614e98a5ad82d7f8fc763edd3214fdfca55830c79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A38 15060 bytes
font_04_sfnt_off0002b99a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B99A 6084 bytes
font_05_sfnt_off0002c92f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C92F 3752 bytes

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