Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec28e4df492718c5…

MALICIOUS

PDF

185.1 KB Created: 2015-07-26 03:06:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 76fa2fd36a870a18436c8cdc71134518 SHA-1: 63d4f21571d08c9fd7bf9fbdaa8cfaf1757ec395 SHA-256: ec28e4df492718c53a3497dff5dceb3eee0a79d64a52a8255eae06ac234aacf9
60 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector due to its inclusion of the URL http://botcraftman.ru/. This URL is known to point to malicious infrastructure. The file's metadata indicates it was generated by wkhtmltopdf, a tool often used to create documents from web content, which can be abused for malicious purposes. No scripts were extracted from this sample, and the document body was truncated, limiting further analysis of the immediate intent beyond the malicious link.

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=Batman+arkham+asylum+%D0%BA%D0%BB%D1%8E%D1%87+%D0%BF%D1%80%D0%BE%D0%B4%D1%83%D0%BA%D1%82%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199647_saundmaks_dlya_vindovs_7_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184559_gta_kriminalnaya_rossiya_beta_2_prohozhdenie.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4205/4205747_testuy_gia_po_russkomu_yazuyku_2015_s_otvetami.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a59d.bin
b6ea82f272bf7013e30bc3efea4e2bbb8d073dd8f81cf45a4592019638e15281		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A59D 7176 bytes
font_00_sfnt_off00023f0d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F0D 3556 bytes
font_01_sfnt_off00024c90.bin
8f1a9d0d54ba54cfbdd3453dc3456e3a1dc5db8b75904bb647826b341400e063		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C90 14928 bytes
font_02_sfnt_off000279f8.bin
a9c6e9e13087076d4e711a21f8ae26d03357d5a61ecc8c9b9f1226eeb81c62df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279F8 14844 bytes
font_04_sfnt_off0002ba82.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA82 6084 bytes
font_05_sfnt_off0002ca17.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA17 3752 bytes

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