Malicious PDF — malware analysis report

Static analysis result for SHA-256 65ebd577e1daaa4e…

MALICIOUS

PDF

187.7 KB Created: 2015-07-23 20:18:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0786821046ffea313eecc245a5a73daa SHA-1: 4b9e53e221cf49c3beb1e5826a918d27ad38ec31 SHA-256: 65ebd577e1daaa4ea5b0269408570f0d244e9e71da0964cfebc3dfa562ca3232
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is identified as a malicious redirector, suggesting the document's purpose is to lure users to a harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%9A%D0%B0%D0%BA+%D0%BF%D0%BE%D1%81%D1%82%D1%80%D0%BE%D0%B8%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%BA%D1%83+%D1%81%D0%B2%D0%BE%D0%B8%D0%BC%D0%B8+%D1%80%D1%83%D0%BA%D0%B0%D0%BC%D0%B8+%D1%87%D0%B5%D1%80%D1%82%D0%B5%D0%B6%D0%B8+%D0%B8+%D1%84%D0%BE%D1%82%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183190_lazer_iz_dvd_privoda_svoimi_rukami_shema.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184361_skachat_maynkraft_152_na_russkom_yazuyke_na_kompyuter_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183245_derevyannuyy_dom_proekt.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002480e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2480E 3556 bytes
font_01_sfnt_off00025591.bin
6b32316133a29358645128f6719e2f59d91a5f7a33a582fd3a0324f0e85a6523		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25591 15296 bytes
font_02_sfnt_off0002858c.bin
c457fcfaab6f548331a7572fefd0d96ae260c7787e9dff2b51ae1aa36573dbb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2858C 14468 bytes
font_03_sfnt_off0002b03b.bin
c038c3653d75084bf7f791061eb965cf08b72a08b7efeb357e5dab8c195ff1ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B03B 7152 bytes
font_04_sfnt_off0002c505.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C505 6084 bytes
font_05_sfnt_off0002d49a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D49A 3752 bytes

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