Malicious PDF — malware analysis report

Static analysis result for SHA-256 022d29888600fd53…

MALICIOUS

PDF

185.6 KB Created: 2015-07-25 15:06:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6ac4caba521771258107d9153fe0b97a SHA-1: 86c75f496dda249322d8237e6f61d7c6a02b01a3 SHA-256: 022d29888600fd533d09dd42d833b66d1c9c37c098e96caeb9b7ea0ad24256c1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL that points to a known malicious redirector. This suggests the document is designed to lure users into clicking the link, which would then likely redirect them to a site hosting malware or phishing content. No scripts were extracted, but the presence of the malicious URL 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%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%82%D0%BE%D1%80+windows+8+release+preview+build+8400+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189512_adresnuyy_listok_pribuytiya_forma_2_obrazec_zapolneniya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4200/4200815_skachat_knigi_pro_popadancev_besplatno_i_bez_registracii.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197250_tp_link_1588_nastroyka.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a58a.bin
bede33746400b2fd61310b83de5fbd69bcacdafd3bf30f587175dee0ec0cb632		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A58A 7752 bytes
font_00_sfnt_off00023f1e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F1E 3556 bytes
font_01_sfnt_off00024ca1.bin
68f9436292afd3efa267aa2d7428a838f7bbfb767694e963878f895b2b8ba80a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CA1 14456 bytes
font_02_sfnt_off00027a0d.bin
6dcdd0b7b2cc890f4d94108bc986b4bf4f7b919edc11d68a10e34d0c729606a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A0D 14720 bytes
font_04_sfnt_off0002bc72.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC72 6084 bytes
font_05_sfnt_off0002cc07.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC07 3752 bytes

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