Malicious PDF — malware analysis report

Static analysis result for SHA-256 34ffb9ba426dcf8b…

MALICIOUS

PDF

185.3 KB Created: 2015-07-24 14:24:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2846b42006f68002c90a905bd86d5797 SHA-1: da658dd3c4fe28cde850ea7f06611997a14233db SHA-256: 34ffb9ba426dcf8b7df1f2c8aba89d179da121b237fedf08b7f86a5c28e152e7
92 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 infrastructure. This indicates the document is likely intended to lure the user to a malicious website, potentially for phishing or malware download. No scripts were extracted, and the document body was not readable, 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=Philips+xenium+w6500+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184966_nero_photosnap_viewer_skachat_besplatno_na_russkom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191630_skachat_stalker_30_novell_iz_zonuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191270_devochki_12_let_bez_kupalnikah.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a543.bin
bfdefea5ab4edd8dfed0beb00682b57d82d68271263fdb9e5ee90e02e1e56357		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A543 7512 bytes
font_00_sfnt_off00023d48.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D48 3556 bytes
font_01_sfnt_off00024acb.bin
debaced4d38a9f53f2525f1a8df8132d3ad2deaa8c8d0f50283efffb5c7e11a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ACB 15088 bytes
font_02_sfnt_off000278eb.bin
8452a10b4cd7054331e6b106abe6ce324cb7e202608ccdda94b4f4b4cffa9706		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278EB 15188 bytes
font_04_sfnt_off0002bb4e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB4E 6084 bytes
font_05_sfnt_off0002cae3.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAE3 3752 bytes

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