Malicious PDF — malware analysis report

Static analysis result for SHA-256 083046dddd3899f1…

MALICIOUS

PDF

185.9 KB Created: 2015-07-25 19:04:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 429fe3fe70220403df3b808b28bd90f9 SHA-1: 498d921cd56412c71da4f70cc206cc7baaf0634d SHA-256: 083046dddd3899f1d7e0df9b749cf11a28820e5528cf42fb0d41e0a5181879c5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL is likely part of a phishing or malware distribution scheme, aiming to lure users to a malicious website. No scripts were extracted, but the presence of a malicious link is a strong indicator of malicious intent.

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%BC%D0%B5%D0%BD%D1%82%D0%BE%D0%B2%D1%81%D0%BA%D0%B8%D0%B5+%D0%B2%D0%BE%D0%B9%D0%BD%D1%8B+1+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192022_voyna_prestolov_4_sezon_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199854_skachat_igru_bakugan_na_kompyuter_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195605_adresnotelefonnuyy_spravochnik_zhiteley_moskvuy.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_off000244f3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244F3 3556 bytes
font_01_sfnt_off00025276.bin
c01430373e1a6d77753ab43e4bad6bcfbebd37ccf181f136f34f7002872f9cff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25276 14632 bytes
font_02_sfnt_off00028057.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28057 14468 bytes
font_03_sfnt_off0002ab09.bin
ef5b61c5e6b832cbf825d922c4ac196c4ba42d00ca45ab712bf81ef14fe32b5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB09 6556 bytes
font_04_sfnt_off0002bda6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDA6 6084 bytes
font_05_sfnt_off0002cd3b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD3B 3752 bytes

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