Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d385d2651c3cfbc…

MALICIOUS

PDF

182.4 KB Created: 2015-07-24 08:34:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7b9a697d65af525ef09b0ada4dfdd46a SHA-1: fad342953cc93e2ee1db5263cbcbe92451729a77 SHA-256: 1d385d2651c3cfbc682586b15f8576baaf5ba615005612b7d699a4be4e287095
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document is designed to lure users to a potentially harmful site. 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=%D0%B1%D0%BE%D1%82+%D0%B4%D0%BB%D1%8F+smmkaru&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185834_gotovoe_portfolio_uchenika_9_klassa.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185694_diktantuy_dlya_2_klassa_po_russkomu_yazuyku_1_chetvert.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186184_kontrolnaya_rabota_po_literature_9_klass_literatura_20_veka.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off00029e44.bin
483437fd794d5dfa6881fc26c3342d2b4dca193ecf4c4508f74781222075d201		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x29E44 6280 bytes
font_00_sfnt_off000238fa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x238FA 3556 bytes
font_01_sfnt_off0002467d.bin
9a7cb52afccd58f33c775d2072ad6dc675d19b9f332cc73f56cb070b715b45ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2467D 14308 bytes
font_02_sfnt_off00027320.bin
f21711bf4de0254a253f3253fc0b40e2c437d4490787014d1ed98e253e62080e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27320 14632 bytes
font_04_sfnt_off0002affa.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AFFA 6084 bytes
font_05_sfnt_off0002bf8f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF8F 3752 bytes

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