Malicious PDF — malware analysis report

Static analysis result for SHA-256 5622e121c98852d9…

MALICIOUS

PDF

185.8 KB Created: 2015-07-24 07:34:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 78fc61a1665fdf91947fca3d90f579ff SHA-1: c890bbdb0b1d5b2ade4ebaadb1a897ec860579c6 SHA-256: 5622e121c98852d9426ce5fd37b3b1fb4063192401fd8b6cb01f2c13aaa1283b
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/..., is likely the initial stage of a phishing or malware delivery chain. No scripts were extracted, and the document body was heavily obfuscated and truncated, limiting further analysis of the specific 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D0%B5%D1%80%D0%BE%D0%B8+%D0%BC%D0%B5%D1%87%D0%B0+%D0%B8+%D0%BC%D0%B0%D0%B3%D0%B8%D0%B8+3+%D0%B2%D0%BE+%D0%B8%D0%BC%D1%8F+%D0%B1%D0%BE%D0%B3%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186195_programma_prikolnoe_perevoploschenie.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187686_syuzhetnuye_stihi_3_4_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184427_skachat_oruzheynuyy_pak_na_stalker_zov_pripyati.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243b2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243B2 3556 bytes
font_01_sfnt_off00025135.bin
28b0cc0585d24ac5af0a2324a3fc084e39e22a21620ea2e3b4394e9dbe36a726		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25135 14732 bytes
font_02_sfnt_off00027f6f.bin
8fcb0373def2089f4050d604114efab1fb90fd41090bcaab965e0072af246115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F6F 14468 bytes
font_03_sfnt_off0002aa1b.bin
26c1721ac6a2391aa2e910dea54c46cd09aabaae37511edfea3ac3081f8cccf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA1B 6748 bytes
font_04_sfnt_off0002bd82.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD82 6084 bytes
font_05_sfnt_off0002cd17.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD17 3752 bytes

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