Malicious PDF — malware analysis report

Static analysis result for SHA-256 02fd21a7270d1482…

MALICIOUS

PDF

187.7 KB Created: 2015-07-26 09:53:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: aca3a72719f3a237bfe1818ede1270bd SHA-1: 06260e8c80cd88b84cefa19bfacd68c47b0487f6 SHA-256: 02fd21a7270d1482f2c422845fe86c0e070e16046d8e45e6dac792a0739bd5e8
92 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D0%BC%D0%B0%D1%81%D1%82%D0%B5%D1%80+%D0%B8+%D0%BC%D0%B0%D1%80%D0%B3%D0%B0%D1%80%D0%B8%D1%82%D0%B0+%D0%BE%D0%B4%D0%BD%D0%B8%D0%BC+%D1%84%D0%B0%D0%B9%D0%BB%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4212/4212957_bonus_koduy_wot_na_iyul_2015_deystvuyuschiy_bez_skachivaniya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184494_skachat_mortal_kombat_9_na_pc_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197307_skachat_igru_bleach_soul_resurreccion_na_pc_cherez_torrent.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_off0002494b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2494B 3556 bytes
font_01_sfnt_off000256ce.bin
2ccef3325ba7afea5c5b3043631b478ff4b0529c9b44f5a822630ecdd5389811		 pdf-font-stream PDF embedded font (sfnt) at offset 0x256CE 15260 bytes
font_02_sfnt_off000285ef.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x285EF 14468 bytes
font_03_sfnt_off0002b0a1.bin
3f1916166a3ed516cfb0fd5c5b9c60b7fab5c34ec708d270f8fe8184c97560d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0A1 6980 bytes
font_04_sfnt_off0002c4d1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4D1 6084 bytes
font_05_sfnt_off0002d466.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D466 3752 bytes

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