Malicious PDF — malware analysis report

Static analysis result for SHA-256 559a6a57c0aabf28…

MALICIOUS

PDF

186.7 KB Created: 2015-07-23 21:08:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2fc375be5fafa17deef54506fc0b3778 SHA-1: 0c27cdb8b5960b2c2ddb21a50de58473744d1046 SHA-256: 559a6a57c0aabf2852bbf9af5d03e72848c418ea9a6839fea2e10a6a43dd6e45
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was not sufficiently readable to provide further context.

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%BD%D0%B5+%D1%83%D0%B4%D0%B0%D0%BB%D0%BE%D1%81%D1%8C+%D0%BF%D1%80%D0%BE%D0%B2%D0%B5%D1%80%D0%B8%D1%82%D1%8C+%D0%BF%D0%BE%D0%B4%D0%BB%D0%B8%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D1%8C+%D0%B4%D0%B8%D1%81%D0%BA%D0%B0+%D1%81%D0%B8%D0%BC%D1%81+3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184614_alena_kravchenko_videoshkola_igruy_na_gitare_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184546_klyuchi_dlya_emsisoft_anti_malware.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184646_dnevnik_slabaka_kniga_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024507.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24507 3556 bytes
font_01_sfnt_off0002528a.bin
80579021a5cbc5b40b64a2c01bc2354756e25f5fd0072227f728197857dcd9d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2528A 15672 bytes
font_02_sfnt_off00028307.bin
3a0f9c658883f50a75f96299ce04ee4b8a4517b32f3529e2f10d7043454bdfdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28307 14468 bytes
font_03_sfnt_off0002adb3.bin
9b83a5303e7153279dd2d015378299d9bc2d9a05446645f5cbf1b7afa9d195eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADB3 6712 bytes
font_04_sfnt_off0002c108.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C108 6084 bytes
font_05_sfnt_off0002d09d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D09D 3752 bytes

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