Malicious PDF — malware analysis report

Static analysis result for SHA-256 de752616abbb09e9…

MALICIOUS

PDF

184.3 KB Created: 2015-07-24 09:10:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5f5051f8c58d2075fbbc916a6686f1f7 SHA-1: 37152e0dbbf50a6160a705580f2d2eb49a161562 SHA-256: de752616abbb09e979856cfdfce680b26926faf6f5675d51de711d2ea898b658
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, suggesting it may have been part of a web-based attack. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

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+scr+free+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187235_programma_parus_opisanie.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189878_skachat_programmu_deklaraciya_3_ndfl_za_2014_god_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185055_skachat_cracked_by_bp3dm.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a495.bin
87f3bd608f6826ecbe72e27512fe973b0c5ddb53a8a364d1d061852a11aee74f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A495 6564 bytes
font_00_sfnt_off00023e14.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E14 3556 bytes
font_01_sfnt_off00024b97.bin
5449fb628f9c5423feb1f4bf7f3c0297d1ae782f4279fa35666648fdde4408d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B97 14844 bytes
font_02_sfnt_off00027994.bin
25221d9a22dbbec715d652714b65bd82b85d6078f0db76ce46eb44b6a3a8503e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27994 14564 bytes
font_04_sfnt_off0002b763.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B763 6084 bytes
font_05_sfnt_off0002c6f8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6F8 3752 bytes

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