Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1754ffdde4b0963…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 01:11:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2f308a53a25234c4cdaefd7ee3a0b5c2 SHA-1: c9a49f3418ba6f583492896f4627188136087c88 SHA-256: c1754ffdde4b096361d456a68b3dfb750a2559f8d8c6e639bb0706a600e611ff
90 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The document body is truncated and does not provide further context, but the presence of a malicious redirector strongly suggests an attempt to lure the user to a harmful site, likely for credential harvesting or malware delivery.

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%90%D0%B2%D0%B0%D1%82%D0%B0%D1%80+%D0%BB%D0%B5%D0%B3%D0%B5%D0%BD%D0%B4%D0%B0+%D0%BE+%D0%BA%D0%BE%D1%80%D1%80%D0%B5+%D0%BF%D0%BE%D1%80%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185477_skachat_drayvera_dlya_noutbuka_compaq_presario_cq_57.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184708_xray_16_engine_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185070_doncova_vsem_sestram_po_mozgam_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024110.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24110 3556 bytes
font_01_sfnt_off00024e93.bin
28e2c9406dcae7b11f7aa63b424865c605ca323384d68b6a920e5fd6b0ac7834		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E93 15300 bytes
font_02_sfnt_off00027d9a.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D9A 14468 bytes
font_03_sfnt_off0002a84d.bin
6f59559c80defa61961cde6d5d74530c69c21559105e5a5046d32834635872fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A84D 6240 bytes
font_04_sfnt_off0002b9d9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9D9 6084 bytes
font_05_sfnt_off0002c96e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C96E 3752 bytes

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