Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b201955c10a5300…

MALICIOUS

PDF

185.8 KB Created: 2015-07-25 00:31:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1055f11283027b33ceb44a6b54885354 SHA-1: 0d752d65d0d70540fadeb2bb8015ae0d9cf46ab5 SHA-256: 1b201955c10a5300d40ae770a07755cd67f766fd3fbe02846b169e4c7a403449
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. This indicates the document is likely a lure to direct users to a malicious 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B9%D0%B4%D0%B5%D0%BD%D0%BD%D1%83%D1%8E+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD+%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D0%B0%D1%81+%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://img0.liveinternet.ru/images/attach/c/5//4192/4192867_skachat_igru_jurassic_park_operation_genesis.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192252_skachat_patch_dlya_pes_2015_letnie_transferuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194539_sims_4_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024428.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24428 3556 bytes
font_01_sfnt_off000251ab.bin
45528a8d8e858d4fd0140fa474f92c8ed12ca40ed36852472a55ca2d417ef7b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251AB 14792 bytes
font_02_sfnt_off00027f8e.bin
4ae165705ecc41720893a92c6e94e3ee89b3be36a12e4a920505046f59c61edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F8E 14468 bytes
font_03_sfnt_off0002aa3c.bin
32ad31aeb8c4fdab9136987fe332c820095b51ca545c16d69733c2823cb48706		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA3C 6656 bytes
font_04_sfnt_off0002bd3b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD3B 6084 bytes
font_05_sfnt_off0002ccd0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCD0 3752 bytes

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